Wine and winrar I see.
Wine can be installed normally if you use it.
Winrar is not necessary on Linux.
If updating BIOS can be done safely without Windows I'd also look at updating that if there is an update.
It's a 2010 laptop, so no bios update
How can i remove snap completely?
And how to remove winrar?
By removing snap all snap packages will be uninstall, including winrar.
Done it. Yet the boot time remains the same.
Let's see the bootup time again:
systemd-analyze
systemd-analyze blame
Does it anything to do with the grub menu not showing up and ttyl screen?
I'm not sure. I know little of GRUB as I never had any trouble with it.
From the screenshot you provided you came under 1 minut 
Another option is to suspend your computer instead of shutting it down.
but it takes 3+ mins
The problem most be somewhere else then. And it may have to do with what you say about grub menu and tty.
What grub options do you have set? Did you make any changes to the grub file?
The sda2 device has me thinking it may be a hardware issue. You have two hard drives in this system? Platter or ssd? Sda2 may be on its way out.
https://forum.zorin.com/t/how-to-skip-grub-menu/15933/12
I once changed grub menu according to this. Grub timeout to 5 seconds.
I should have spotted this before with partition screenshot. You will heading for issues as Windows should be at start of drive before Zorin partition, not the other way around.
No, only one hard drive
I don't have windows installed
Looks like excessive startup programs are delaying your time. In Linux operating System the more applications in the startup tray, the more time it takes to boot the OS. Unlike Windows Linux Operating Systems do not have fast boot option that locks the hard drive and make the boot up fast.
Linux OS Loads the necessary startup programs it needs along with additional and unnecessary software's you may have added by mistake increasing your boot time. If the hardware specs are already low it will be real frustrating anyway. Removing Bloatware is the only option if you want to work on your PC's Boot up time.
I hope this will provide you the information you needed.
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What are the two NTFS partitions in your extended partition?