Revert "make valid_signature an ignored column"
Revert "make valid_signature an ignored column"

This reverts commit cce9afa38a8aa3f3e5a43ab952e1c022c9dd9385.

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