Revert "check for `read_only?` first before seeing if request is disallowed"
Revert "check for `read_only?` first before seeing if request is disallowed"

This reverts commit 91075c8237307e09c2be8a88ffb3711fd62417d1.

dreampet/gitlab,jirutka/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,jirutka/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,iiet/iiet-git,jirutka/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,iiet/iiet-git