Remove repo_path from GitlabShell
The internal api returns '/' from gitlab, since
8fad07383ada021fc995294fd0fe0f77fe37da35
from GitLab CE. To clean up
later, #135 (closed) was
created.
This change closes that issue, making it possible to remove the field
from the response on GitLab-CE too. Given the Rails app always returns
/
as the repository_path, the associated checks are basically a noop
too. The tests are updated and at times look a little fishy, but those
are testing code that is to be removed in another MR.
Closes #135 (closed)