Removed project edit visibility radio buttons
Also removed duplicated allow request button checkbox
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/27050, https://gitlab.com/gitlab-org/gitlab-ce/issues/27049
Also removed duplicated allow request button checkbox
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/27050, https://gitlab.com/gitlab-org/gitlab-ce/issues/27049