I feel like this might not be because of the mods at all, but try removing infinitebackups, that should be the only one that interracts with saves.
They're all optional, so it probably wasn't the best name for that folder. those ones were just ones I identified as the most likely for people to not want/need, so they have to choose to enable them rather than choose to disable them
Well uh, the site is google drive, so I'm not sure what's going on there. I think this is probably something on your end because it's fine for me and others here