chore: remove lfs dependency

[ignatiusmb]

Git LFS is useful when we're putting big files that changes frequently and/or doesn't compress well, by replacing those blobs with pointers to each version, so cloning will only download a small data for each revision, which is the pointer differences.

This also means that it gives us few to no benefits in using LFS in our scenario where we never really modify our big files once we've committed them, and the bandwidth limitation on GitHub LFS service + Vercel auto-deployments for each commit makes this annoying to work with without getting an email reminder for our quota usage after only a couple of commits.

[ignatiusmb]

Also (from https://docs.github.com/en/repositories/working-with-files/managing-large-files/removing-files-from-git-large-file-storage#git-lfs-objects-in-your-repository), seems like there's no way to clear the storage used by Git LFS other than to delete the whole repository

After you remove files from Git LFS, the Git LFS objects still exist on the remote storage and will continue to count toward your Git LFS storage quota.

To remove Git LFS objects from a repository, delete and recreate the repository. When you delete a repository, any associated issues, stars, and forks are also deleted. For more information, see "Deleting a repository." If you need to purge a removed object and you are unable to delete the repository, please contact support for help.