Clean up `discussions_to_resolve`-method
Clean up `discussions_to_resolve`-method

stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,stoplightio/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,darkrasid/gitlabhq,axilleas/gitlabhq,iiet/iiet-git,iiet/iiet-git,axilleas/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,axilleas/gitlabhq,dplarson/gitlabhq,stoplightio/gitlabhq,darkrasid/gitlabhq,dreampet/gitlab,dreampet/gitlab,mmkassem/gitlabhq,htve/GitlabForChinese,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,t-zuehlsdorff/gitlabhq,stoplightio/gitlabhq,darkrasid/gitlabhq,htve/GitlabForChinese,darkrasid/gitlabhq,mmkassem/gitlabhq,dplarson/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,dreampet/gitlab,mmkassem/gitlabhq,jirutka/gitlabhq,htve/GitlabForChinese,t-zuehlsdorff/gitlabhq,axilleas/gitlabhq