Remove go git library because it doesn't support sha256 repository but have an interface so that we could have other backend for the future. Reviewed-on: https://gitea.com/gitea/tea/pulls/1005 Reviewed-by: Zettat123 <39446+zettat123@noreply.gitea.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/973