Remove GOFLAGS that disable go get from go get command
Remove GOFLAGS that disable go get from go get command

[#171660042](https://www.pivotaltracker.com/story/show/171660042)

Co-authored-by: Sebastian Vidrio <68ba84219e4e2d7d15fed3ed668bd2821314e420@vmware.com>

cloudfoundry/cli,cloudfoundry/cli,cloudfoundry/cli