cmd/go: remove noVCSSuffix check for OpenStack

The original intent of the code was to allow both with and without .git
suffix for now to allow a transition period. The noVCSSuffix check was a
copy pasta error.

Fixes #15979.

Change-Id: I3d39aba8d026b40fc445244d6d01d8bc1979d1e4
Reviewed-on: https://go-review.googlesource.com/24645Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/cmd/go/vcs.go

@@ -858,7 +858,6 @@ var vcsPaths = []*vcsPath{
 		re:     `^(?P<root>git\.openstack\.org/[A-Za-z0-9_.\-]+/[A-Za-z0-9_.\-]+)(\.git)?(/[A-Za-z0-9_.\-]+)*$`,
 		vcs:    "git",
 		repo:   "https://{root}",
-		check:  noVCSSuffix,
 	},
 
 	// General syntax for any server.