cmd/go: remove noVCSSuffix check for OpenStack
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 <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

CAFxX/go,josharian/go,cloudflare/go,polyverse-security/go,linux-on-ibm-z/go,nawawi/go,nawawi/go,polyverse-security/go,goodlang/good,linux-on-ibm-z/go,polyverse-security/go,Cofyc/go,nawawi/go,momchil-velikov/go,linux-on-ibm-z/go,CAFxX/go,josharian/go,CAFxX/go,linux-on-ibm-z/go,CAFxX/go,golang/go,vsekhar/elastic-go,akutz/go,ImJasonH/go,linux-on-ibm-z/go,akutz/go,4ad/go,derekmarcotte/go,codestation/go,akutz/go,suncycheng/go,ImJasonH/go,josharian/go,polyverse-security/go,golang/go,CAFxX/go,momchil-velikov/go,4ad/go,suncycheng/go,goodlang/good,suncycheng/go,linux-on-ibm-z/go,cloudflare/go,nawawi/go,codestation/go,Cofyc/go,goodlang/good,CAFxX/go,polyverse-security/go,codestation/go,nawawi/go,ImJasonH/go,josharian/go,codestation/go,suncycheng/go,cloudflare/go,cloudflare/go,vsekhar/elastic-go,CAFxX/go,vsekhar/elastic-go,ImJasonH/go,akutz/go,derekmarcotte/go,golang/go,derekmarcotte/go,josharian/go,polyverse-security/go,momchil-velikov/go,4ad/go,momchil-velikov/go,golang/go,nawawi/go,codestation/go,josharian/go,vsekhar/elastic-go,goodlang/good,4ad/go,akutz/go,suncycheng/go,4ad/go,goodlang/good,golang/go,derekmarcotte/go,Cofyc/go,vsekhar/elastic-go,Cofyc/go,josharian/go,polyverse-security/go,akutz/go,goodlang/good,polyverse-security/go,suncycheng/go,josharian/go,Cofyc/go,ImJasonH/go,derekmarcotte/go,golang/go,linux-on-ibm-z/go,suncycheng/go,ImJasonH/go,goodlang/good,4ad/go,akutz/go,linux-on-ibm-z/go,suncycheng/go,cloudflare/go,CAFxX/go,vsekhar/elastic-go,ImJasonH/go,Cofyc/go,codestation/go,nawawi/go,vsekhar/elastic-go,golang/go,ImJasonH/go,golang/go,cloudflare/go,codestation/go,cloudflare/go,codestation/go,4ad/go,vsekhar/elastic-go,akutz/go,christopher-henderson/Go,goodlang/good,momchil-velikov/go,cloudflare/go,momchil-velikov/go,derekmarcotte/go,derekmarcotte/go,momchil-velikov/go,nawawi/go,Cofyc/go,derekmarcotte/go,momchil-velikov/go,4ad/go,Cofyc/go