Remove unused sd utils isType() method
Remove unused sd utils isType() method
Usage removed in https://gitlab.com/gitlab-org/gitter/webapp/commit/897b9a3b12759c52637e3a8be61d759dd994c76f#d5b50321aa21ac4ca05c6da86fb0084d800bcc9d_107_107
Removed while looking at all of the GH_ORG references when developing https://gitlab.com/gitlab-org/gitter/webapp/issues/2393
Edited by Eric Eastwood