For tea, the case of no remotes in the local repo context is equal to `errNotAGiteaRepo`.
This error type is already gracefully handled, so with this change, tea doesn't reject working from a repo without remotes.
fixes#455, closes#465
Co-authored-by: Norwin <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/472
Reviewed-by: Andrew Thornton <art27@cantab.net>
Reviewed-by: 6543 <6543@obermui.de>
Co-authored-by: Norwin <noerw@noreply.gitea.io>
Co-committed-by: Norwin <noerw@noreply.gitea.io>
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