Merge branch 'ms/refspec-cleanup'

Code clean-up. cf. <Z6G-toOJjMmK8iJG@pks.im> * ms/refspec-cleanup: refspec: relocate apply_refspecs and related funtions refspec: relocate matching related functions remote: rename query_refspecs functions refspec: relocate refname_matches_negative_refspec_item remote: rename function omit_name_by_refspec