Just thought I would share with you the apps that got removed on removing snapd:
Waiting until unit snap.tor.tor.service is stopped [attempt 1]
snap.tor.tor.service is stopped.
Removing snap.tor.tor.service
Stopping snap-audacity-675.mount
Stopping unit snap-audacity-675.mount
Waiting until unit snap-audacity-675.mount is stopped [attempt 1]
snap-audacity-675.mount is stopped.
Removing snap audacity and revision 675
Removing snap-audacity-675.mount
Stopping snap-core-9665.mount
Stopping unit snap-core-9665.mount
Waiting until unit snap-core-9665.mount is stopped [attempt 1]
snap-core-9665.mount is stopped.
Removing snap core and revision 9665
Removing snap-core-9665.mount
Stopping snap-core-9804.mount
Stopping unit snap-core-9804.mount
Waiting until unit snap-core-9804.mount is stopped [attempt 1]
snap-core-9804.mount is stopped.
Removing snap core and revision 9804
Removing snap-core-9804.mount
Stopping snap-core18-1880.mount
Stopping unit snap-core18-1880.mount
Waiting until unit snap-core18-1880.mount is stopped [attempt 1]
snap-core18-1880.mount is stopped.
Removing snap core18 and revision 1880
Removing snap-core18-1880.mount
Stopping snap-core18-1885.mount
Stopping unit snap-core18-1885.mount
Waiting until unit snap-core18-1885.mount is stopped [attempt 1]
snap-core18-1885.mount is stopped.
Removing snap core18 and revision 1885
Removing snap-core18-1885.mount
Stopping snap-darktable-54.mount
Stopping unit snap-darktable-54.mount
Waiting until unit snap-darktable-54.mount is stopped [attempt 1]
snap-darktable-54.mount is stopped.
Removing snap darktable and revision 54
Removing snap-darktable-54.mount
Stopping snap-darktable-59.mount
Stopping unit snap-darktable-59.mount
Waiting until unit snap-darktable-59.mount is stopped [attempt 1]
snap-darktable-59.mount is stopped.
Removing snap darktable and revision 59
Removing snap-darktable-59.mount
Stopping snap-gnome\x2d3\x2d28\x2d1804-116.mount
Stopping unit snap-gnome\x2d3\x2d28\x2d1804-116.mount
Waiting until unit snap-gnome\x2d3\x2d28\x2d1804-116.mount is stopped [attempt 1]
snap-gnome\x2d3\x2d28\x2d1804-116.mount is stopped.
Removing snap gnome-3-28-1804 and revision 116
Removing snap-gnome\x2d3\x2d28\x2d1804-116.mount
Stopping snap-gnome\x2d3\x2d28\x2d1804-128.mount
Stopping unit snap-gnome\x2d3\x2d28\x2d1804-128.mount
Waiting until unit snap-gnome\x2d3\x2d28\x2d1804-128.mount is stopped [attempt 1]
snap-gnome\x2d3\x2d28\x2d1804-128.mount is stopped.
Removing snap gnome-3-28-1804 and revision 128
Removing snap-gnome\x2d3\x2d28\x2d1804-128.mount
Stopping snap-gtk2\x2dcommon\x2dthemes-13.mount
Stopping unit snap-gtk2\x2dcommon\x2dthemes-13.mount
Waiting until unit snap-gtk2\x2dcommon\x2dthemes-13.mount is stopped [attempt 1]
snap-gtk2\x2dcommon\x2dthemes-13.mount is stopped.
Removing snap gtk2-common-themes and revision 13
Removing snap-gtk2\x2dcommon\x2dthemes-13.mount
Stopping snap-inkscape-7821.mount
Stopping unit snap-inkscape-7821.mount
Waiting until unit snap-inkscape-7821.mount is stopped [attempt 1]
snap-inkscape-7821.mount is stopped.
Removing snap inkscape and revision 7821
Removing snap-inkscape-7821.mount
Stopping snap-inkscape-7947.mount
Stopping unit snap-inkscape-7947.mount
Waiting until unit snap-inkscape-7947.mount is stopped [attempt 1]
snap-inkscape-7947.mount is stopped.
Removing snap inkscape and revision 7947
Removing snap-inkscape-7947.mount
Stopping snap-kde\x2dframeworks\x2d5\x2dqt\x2d5\x2d14\x2dcore18-4.mount
Stopping unit snap-kde\x2dframeworks\x2d5\x2dqt\x2d5\x2d14\x2dcore18-4.mount
Waiting until unit snap-kde\x2dframeworks\x2d5\x2dqt\x2d5\x2d14\x2dcore18-4.mount is stopped [attempt 1]
snap-kde\x2dframeworks\x2d5\x2dqt\x2d5\x2d14\x2dcore18-4.mount is stopped.
Removing snap kde-frameworks-5-qt-5-14-core18 and revision 4
Removing snap-kde\x2dframeworks\x2d5\x2dqt\x2d5\x2d14\x2dcore18-4.mount
Stopping snap-libreoffice-183.mount
Stopping unit snap-libreoffice-183.mount
Waiting until unit snap-libreoffice-183.mount is stopped [attempt 1]
snap-libreoffice-183.mount is stopped.
Removing snap libreoffice and revision 183
Removing snap-libreoffice-183.mount
Stopping snap-libreoffice-191.mount
Stopping unit snap-libreoffice-191.mount
Waiting until unit snap-libreoffice-191.mount is stopped [attempt 1]
snap-libreoffice-191.mount is stopped.
Removing snap libreoffice and revision 191
Removing snap-libreoffice-191.mount
Stopping snap-meteo-108.mount
Stopping unit snap-meteo-108.mount
Waiting until unit snap-meteo-108.mount is stopped [attempt 1]
snap-meteo-108.mount is stopped.
Removing snap meteo and revision 108
Removing snap-meteo-108.mount
Stopping snap-okular-98.mount
Stopping unit snap-okular-98.mount
Waiting until unit snap-okular-98.mount is stopped [attempt 1]
snap-okular-98.mount is stopped.
Removing snap okular and revision 98
Removing snap-okular-98.mount
Stopping snap-riseup\x2dvpn-159.mount
Stopping unit snap-riseup\x2dvpn-159.mount
Waiting until unit snap-riseup\x2dvpn-159.mount is stopped [attempt 1]
snap-riseup\x2dvpn-159.mount is stopped.
Removing snap riseup-vpn and revision 159
Removing snap-riseup\x2dvpn-159.mount
Stopping snap-riseup\x2dvpn-161.mount
Stopping unit snap-riseup\x2dvpn-161.mount
Waiting until unit snap-riseup\x2dvpn-161.mount is stopped [attempt 1]
snap-riseup\x2dvpn-161.mount is stopped.
Removing snap riseup-vpn and revision 161
Removing snap-riseup\x2dvpn-161.mount
Stopping snap-snapd-8542.mount
Stopping unit snap-snapd-8542.mount
Waiting until unit snap-snapd-8542.mount is stopped [attempt 1]
snap-snapd-8542.mount is stopped.
Removing snap snapd and revision 8542
Removing snap-snapd-8542.mount
Stopping snap-snapd-8790.mount
Stopping unit snap-snapd-8790.mount
Waiting until unit snap-snapd-8790.mount is stopped [attempt 1]
snap-snapd-8790.mount is stopped.
Removing snap snapd and revision 8790
Removing snap-snapd-8790.mount
Stopping snap-terminology-889.mount
Stopping unit snap-terminology-889.mount
Waiting until unit snap-terminology-889.mount is stopped [attempt 1]
snap-terminology-889.mount is stopped.
Removing snap terminology and revision 889
Removing snap-terminology-889.mount
Stopping snap-terminology-894.mount
Stopping unit snap-terminology-894.mount
Waiting until unit snap-terminology-894.mount is stopped [attempt 1]
snap-terminology-894.mount is stopped.
Removing snap terminology and revision 894
Removing snap-terminology-894.mount
Stopping snap-thunderbird-73.mount
Stopping unit snap-thunderbird-73.mount
Waiting until unit snap-thunderbird-73.mount is stopped [attempt 1]
snap-thunderbird-73.mount is stopped.
Removing snap thunderbird and revision 73
Removing snap-thunderbird-73.mount
Stopping snap-thunderbird-76.mount
Stopping unit snap-thunderbird-76.mount
Waiting until unit snap-thunderbird-76.mount is stopped [attempt 1]
snap-thunderbird-76.mount is stopped.
Removing snap thunderbird and revision 76
Removing snap-thunderbird-76.mount
Stopping snap-tor-2.mount
Stopping unit snap-tor-2.mount
Waiting until unit snap-tor-2.mount is stopped [attempt 1]
snap-tor-2.mount is stopped.
Removing snap tor and revision 2
Removing snap-tor-2.mount
Stopping snap-tor\x2dmiddle\x2drelay-277.mount
Stopping unit snap-tor\x2dmiddle\x2drelay-277.mount
Waiting until unit snap-tor\x2dmiddle\x2drelay-277.mount is stopped [attempt 1]
snap-tor\x2dmiddle\x2drelay-277.mount is stopped.
Removing snap tor-middle-relay and revision 277
Removing snap-tor\x2dmiddle\x2drelay-277.mount
Stopping snap-youtube\x2dmusic\x2ddesktop\x2dapp-5.mount
Stopping unit snap-youtube\x2dmusic\x2ddesktop\x2dapp-5.mount
Waiting until unit snap-youtube\x2dmusic\x2ddesktop\x2dapp-5.mount is stopped [attempt 1]
snap-youtube\x2dmusic\x2ddesktop\x2dapp-5.mount is stopped.
Removing snap youtube-music-desktop-app and revision 5
Removing snap-youtube\x2dmusic\x2ddesktop\x2dapp-5.mount
Stopping snap-youtube\x2dmusic\x2ddesktop\x2dapp-6.mount
Stopping unit snap-youtube\x2dmusic\x2ddesktop\x2dapp-6.mount
Waiting until unit snap-youtube\x2dmusic\x2ddesktop\x2dapp-6.mount is stopped [attempt 1]
snap-youtube\x2dmusic\x2ddesktop\x2dapp-6.mount is stopped.
Removing snap youtube-music-desktop-app and revision 6
Removing snap-youtube\x2dmusic\x2ddesktop\x2dapp-6.mount
Final directory cleanup
Discarding preserved snap namespaces
Removing extra snap-confine apparmor rules
My thunderbird client 1 removed - thunderbird 2 client present but not configured/configurable to old email address - but I have all of that on my other Linux install.
Inkscape states removed but Inkscape still present!
LibreOffice gone - well no spy ware attached - will go back to the synaptic version. Think I will avoid the Store until futher notice!
Not aware of an issue with flatpak ... yet!