Simplify implementation of environments serializer
Simplify implementation of environments serializer

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