Removed stray strip_heredoc from migration helpers
Removed stray strip_heredoc from migration helpers

stoplightio/gitlabhq,martijnvermaat/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq,iiet/iiet-git,allysonbarros/gitlabhq,darkrasid/gitlabhq,SVArago/gitlabhq,dplarson/gitlabhq,daiyu/gitlab-zh,axilleas/gitlabhq,axilleas/gitlabhq,daiyu/gitlab-zh,icedwater/gitlabhq,dreampet/gitlab,Soullivaneuh/gitlabhq,openwide-java/gitlabhq,openwide-java/gitlabhq,allysonbarros/gitlabhq,stoplightio/gitlabhq,htve/GitlabForChinese,shinexiao/gitlabhq,larryli/gitlabhq,dreampet/gitlab,SVArago/gitlabhq,dplarson/gitlabhq,screenpages/gitlabhq,martijnvermaat/gitlabhq,icedwater/gitlabhq,shinexiao/gitlabhq,axilleas/gitlabhq,SVArago/gitlabhq,larryli/gitlabhq,axilleas/gitlabhq,t-zuehlsdorff/gitlabhq,openwide-java/gitlabhq,allysonbarros/gitlabhq,larryli/gitlabhq,darkrasid/gitlabhq,stoplightio/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,icedwater/gitlabhq,mmkassem/gitlabhq,openwide-java/gitlabhq,jirutka/gitlabhq,screenpages/gitlabhq,mr-dxdy/gitlabhq,dplarson/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,Soullivaneuh/gitlabhq,mmkassem/gitlabhq,Soullivaneuh/gitlabhq,screenpages/gitlabhq,darkrasid/gitlabhq,martijnvermaat/gitlabhq,allysonbarros/gitlabhq,dreampet/gitlab,shinexiao/gitlabhq,LUMC/gitlabhq,jirutka/gitlabhq,SVArago/gitlabhq,daiyu/gitlab-zh,t-zuehlsdorff/gitlabhq,LUMC/gitlabhq,htve/GitlabForChinese,darkrasid/gitlabhq,iiet/iiet-git,iiet/iiet-git,mr-dxdy/gitlabhq,mmkassem/gitlabhq,screenpages/gitlabhq,Soullivaneuh/gitlabhq,stoplightio/gitlabhq,daiyu/gitlab-zh,shinexiao/gitlabhq,larryli/gitlabhq,icedwater/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,dplarson/gitlabhq,mr-dxdy/gitlabhq,mr-dxdy/gitlabhq,htve/GitlabForChinese,martijnvermaat/gitlabhq,LUMC/gitlabhq