You can uninstall OneDrive through the apps list in settings, and that should revert your Documents folders to be locally stored. I haven’t noticed the other two prompting reminders recently on my Windows PC and can’t recommend a way to disable them.

I recently got a laptop, and going through all the bloatware pushed me to try Linux Mint after not using a Linux OS in a Decade. I think the only reason I’ll use Windows at this point is for specific games or software that can’t run on Linux for whatever reason (anti cheat and whatnot).