remove prints and useless comments
remove prints and useless comments

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