rm unused NewNote#subject
rm unused NewNote#subject

its functionality is swept into the project permission check
in NotificationRecipient#has_access? now

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