Ignore duplicates in some list types
Ignore duplicates in some list types

Signed-off-by: Shawn O. Pearce <f3ea74d906fa9fe97c1fef6bad9cb871485c7045@google.com>

TonyChai24/test,makholm/gerrit-ceremony,WANdisco/gerrit,Shrews/PyGerrit,keerath/gerrit_newssh,basilgor/gerrit,thinkernel/gerrit,thesamet/gerrit,jackminicloud/test,quyixia/gerrit,netroby/gerrit,supriyantomaftuh/gerrit,jackminicloud/test,Team-OctOS/host_gerrit,Overruler/gerrit,duboisf/gerrit,bpollack/gerrit,GerritCodeReview/gerrit,bootstraponline-archive/gerrit-mirror,hdost/gerrit,thesamet/gerrit,gracefullife/gerrit,renchaorevee/gerrit,qtproject/qtqa-gerrit,renchaorevee/gerrit,joshuawilson/merrit,WANdisco/gerrit,bpollack/gerrit,m1kah/gerrit-contributions,supriyantomaftuh/gerrit,thesamet/gerrit,thinkernel/gerrit,anminhsu/gerrit,basilgor/gerrit,anminhsu/gerrit,gracefullife/gerrit,cjh1/gerrit,Team-OctOS/host_gerrit,jackminicloud/test,pkdevbox/gerrit,thesamet/gerrit,thinkernel/gerrit,hdost/gerrit,sudosurootdev/gerrit,pkdevbox/gerrit,zommarin/gerrit,ashang/aaron-gerrit,quyixia/gerrit,anminhsu/gerrit,joshuawilson/merrit,1yvT0s/gerrit,catrope/gerrit,m1kah/gerrit-contributions,pkdevbox/gerrit,gcoders/gerrit,anminhsu/gerrit,evanchueng/gerrit,gracefullife/gerrit,midnightradio/gerrit,GerritCodeReview/gerrit-attic,joshuawilson/merrit,keerath/gerrit_newssh,quyixia/gerrit,midnightradio/gerrit,netroby/gerrit,teamblueridge/gerrit,CandyShop/gerrit,duboisf/gerrit,dwhipstock/gerrit,catrope/gerrit,bpollack/gerrit,MerritCR/merrit,renchaorevee/gerrit,supriyantomaftuh/gerrit,atdt/gerrit,pkdevbox/gerrit,zommarin/gerrit,pkdevbox/gerrit,Distrotech/gerrit,joshuawilson/merrit,jackminicloud/test,quyixia/gerrit,TonyChai24/test,qtproject/qtqa-gerrit,gcoders/gerrit,ckamm/gerrit,GerritCodeReview/gerrit,gcoders/gerrit,1yvT0s/gerrit,basilgor/gerrit,basilgor/gerrit,pkdevbox/gerrit,evanchueng/gerrit,MerritCR/merrit,hdost/gerrit,thesamet/gerrit,m1kah/gerrit-contributions,Saulis/gerrit,supriyantomaftuh/gerrit,cjh1/gerrit,teamblueridge/gerrit,evanchueng/gerrit,MerritCR/merrit,dwhipstock/gerrit,skurfuerst/gerrit,Team-OctOS/host_gerrit,austinchic/Gerrit,jeblair/gerrit,atdt/gerrit,MerritCR/merrit,Seinlin/gerrit,CandyShop/gerrit,skurfuerst/gerrit,Distrotech/gerrit,TonyChai24/test,Distrotech/gerrit,gerrit-review/gerrit,supriyantomaftuh/gerrit,bpollack/gerrit,GerritCodeReview/gerrit-attic,Team-OctOS/host_gerrit,GerritCodeReview/gerrit,sudosurootdev/gerrit,catrope/gerrit,midnightradio/gerrit,Team-OctOS/host_gerrit,ashang/aaron-gerrit,bootstraponline-archive/gerrit-mirror,rtyley/mini-git-server,ashang/aaron-gerrit,qtproject/qtqa-gerrit,TonyChai24/test,makholm/gerrit-ceremony,bootstraponline-archive/gerrit-mirror,anminhsu/gerrit,jackminicloud/test,GerritCodeReview/gerrit,dwhipstock/gerrit,Overruler/gerrit,bootstraponline-archive/gerrit-mirror,qtproject/qtqa-gerrit,CandyShop/gerrit,bpollack/gerrit,Shrews/PyGerrit,evanchueng/gerrit,hdost/gerrit,thinkernel/gerrit,hdost/gerrit,dwhipstock/gerrit,CandyShop/gerrit,GerritCodeReview/gerrit,anminhsu/gerrit,evanchueng/gerrit,teamblueridge/gerrit,quyixia/gerrit,Shrews/PyGerrit,Distrotech/gerrit,pkdevbox/gerrit,MerritCR/merrit,hdost/gerrit,midnightradio/gerrit,joshuawilson/merrit,ckamm/gerrit,Saulis/gerrit,Saulis/gerrit,Overruler/gerrit,sudosurootdev/gerrit,thesamet/gerrit,midnightradio/gerrit,atdt/gerrit,Seinlin/gerrit,GerritCodeReview/gerrit,teamblueridge/gerrit,jeblair/gerrit,WANdisco/gerrit,makholm/gerrit-ceremony,gerrit-review/gerrit,gcoders/gerrit,thinkernel/gerrit,jeblair/gerrit,austinchic/Gerrit,gcoders/gerrit,austinchic/Gerrit,WANdisco/gerrit,Overruler/gerrit,joshuawilson/merrit,netroby/gerrit,cjh1/gerrit,makholm/gerrit-ceremony,skurfuerst/gerrit,jackminicloud/test,qtproject/qtqa-gerrit,ashang/aaron-gerrit,gerrit-review/gerrit,jeblair/gerrit,Seinlin/gerrit,netroby/gerrit,renchaorevee/gerrit,Distrotech/gerrit,thesamet/gerrit,quyixia/gerrit,Overruler/gerrit,thinkernel/gerrit,m1kah/gerrit-contributions,TonyChai24/test,1yvT0s/gerrit,1yvT0s/gerrit,bootstraponline-archive/gerrit-mirror,dwhipstock/gerrit,skurfuerst/gerrit,ashang/aaron-gerrit,gracefullife/gerrit,joshuawilson/merrit,Distrotech/gerrit,Seinlin/gerrit,atdt/gerrit,teamblueridge/gerrit,Team-OctOS/host_gerrit,WANdisco/gerrit,netroby/gerrit,renchaorevee/gerrit,gerrit-review/gerrit,qtproject/qtqa-gerrit,rtyley/mini-git-server,hdost/gerrit,Saulis/gerrit,netroby/gerrit,netroby/gerrit,basilgor/gerrit,GerritCodeReview/gerrit-attic,midnightradio/gerrit,anminhsu/gerrit,gcoders/gerrit,catrope/gerrit,ckamm/gerrit,zommarin/gerrit,supriyantomaftuh/gerrit,gracefullife/gerrit,renchaorevee/gerrit,GerritCodeReview/gerrit,joshuawilson/merrit,keerath/gerrit_newssh,Team-OctOS/host_gerrit,MerritCR/merrit,WANdisco/gerrit,jackminicloud/test,duboisf/gerrit,keerath/gerrit_newssh,gerrit-review/gerrit,Distrotech/gerrit,MerritCR/merrit,duboisf/gerrit,ckamm/gerrit,austinchic/Gerrit,qtproject/qtqa-gerrit,dwhipstock/gerrit,Seinlin/gerrit,bootstraponline-archive/gerrit-mirror,quyixia/gerrit,GerritCodeReview/gerrit,sudosurootdev/gerrit,Shrews/PyGerrit,Seinlin/gerrit,renchaorevee/gerrit,Saulis/gerrit,zommarin/gerrit,TonyChai24/test,TonyChai24/test,sudosurootdev/gerrit,1yvT0s/gerrit,Saulis/gerrit,ckamm/gerrit,Seinlin/gerrit,gerrit-review/gerrit,atdt/gerrit,gcoders/gerrit,gerrit-review/gerrit,CandyShop/gerrit,supriyantomaftuh/gerrit,cjh1/gerrit,WANdisco/gerrit,bpollack/gerrit,MerritCR/merrit,zommarin/gerrit,Overruler/gerrit,keerath/gerrit_newssh,thinkernel/gerrit,dwhipstock/gerrit