Remove duplication from build serializer entity
Remove duplication from build serializer entity

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