Remove unnecessary hidden svg elements for icons.
Remove unnecessary hidden svg elements for icons.

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