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/24645
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/src/cmd/go/vcs.go b/src/cmd/go/vcs.go
index df37c1a..53ddbe6 100644
--- a/src/cmd/go/vcs.go
+++ b/src/cmd/go/vcs.go
@@ -858,7 +858,6 @@
 		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.