Remove obsolete "Release Builds" section from dev-readme.txt
Remove obsolete "Release Builds" section from dev-readme.txt

The release.sh script has been removed, so this section is no longer
relevant.  Remove it.

Change-Id: I8e687b4f173530a7271eba4a02ea6e03c8ebb410

joshuawilson/merrit,Distrotech/gerrit,anminhsu/gerrit,Distrotech/gerrit,GerritCodeReview/gerrit,netroby/gerrit,hdost/gerrit,thesamet/gerrit,pkdevbox/gerrit,gcoders/gerrit,thesamet/gerrit,joshuawilson/merrit,anminhsu/gerrit,dwhipstock/gerrit,hdost/gerrit,WANdisco/gerrit,renchaorevee/gerrit,netroby/gerrit,Overruler/gerrit,MerritCR/merrit,pkdevbox/gerrit,renchaorevee/gerrit,jackminicloud/test,netroby/gerrit,Seinlin/gerrit,dwhipstock/gerrit,WANdisco/gerrit,anminhsu/gerrit,supriyantomaftuh/gerrit,gerrit-review/gerrit,jackminicloud/test,dwhipstock/gerrit,Distrotech/gerrit,supriyantomaftuh/gerrit,WANdisco/gerrit,hdost/gerrit,gerrit-review/gerrit,thesamet/gerrit,anminhsu/gerrit,WANdisco/gerrit,hdost/gerrit,qtproject/qtqa-gerrit,pkdevbox/gerrit,dwhipstock/gerrit,TonyChai24/test,qtproject/qtqa-gerrit,gcoders/gerrit,GerritCodeReview/gerrit,Overruler/gerrit,GerritCodeReview/gerrit,Overruler/gerrit,WANdisco/gerrit,Overruler/gerrit,MerritCR/merrit,Seinlin/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,jackminicloud/test,hdost/gerrit,jackminicloud/test,Distrotech/gerrit,thesamet/gerrit,Seinlin/gerrit,TonyChai24/test,thinkernel/gerrit,MerritCR/merrit,qtproject/qtqa-gerrit,pkdevbox/gerrit,qtproject/qtqa-gerrit,supriyantomaftuh/gerrit,Seinlin/gerrit,Seinlin/gerrit,gerrit-review/gerrit,joshuawilson/merrit,thinkernel/gerrit,joshuawilson/merrit,hdost/gerrit,qtproject/qtqa-gerrit,dwhipstock/gerrit,dwhipstock/gerrit,MerritCR/merrit,supriyantomaftuh/gerrit,Distrotech/gerrit,anminhsu/gerrit,renchaorevee/gerrit,quyixia/gerrit,joshuawilson/merrit,quyixia/gerrit,anminhsu/gerrit,quyixia/gerrit,gerrit-review/gerrit,quyixia/gerrit,thesamet/gerrit,GerritCodeReview/gerrit,pkdevbox/gerrit,TonyChai24/test,joshuawilson/merrit,netroby/gerrit,quyixia/gerrit,gerrit-review/gerrit,jackminicloud/test,gerrit-review/gerrit,thesamet/gerrit,quyixia/gerrit,Distrotech/gerrit,anminhsu/gerrit,thesamet/gerrit,TonyChai24/test,Seinlin/gerrit,renchaorevee/gerrit,WANdisco/gerrit,gcoders/gerrit,netroby/gerrit,gcoders/gerrit,Seinlin/gerrit,joshuawilson/merrit,jackminicloud/test,Distrotech/gerrit,gcoders/gerrit,TonyChai24/test,supriyantomaftuh/gerrit,netroby/gerrit,gerrit-review/gerrit,WANdisco/gerrit,MerritCR/merrit,MerritCR/merrit,thinkernel/gerrit,hdost/gerrit,joshuawilson/merrit,gcoders/gerrit,Overruler/gerrit,renchaorevee/gerrit,netroby/gerrit,thinkernel/gerrit,TonyChai24/test,TonyChai24/test,thinkernel/gerrit,pkdevbox/gerrit,Overruler/gerrit,MerritCR/merrit,jackminicloud/test,GerritCodeReview/gerrit,supriyantomaftuh/gerrit,dwhipstock/gerrit,thinkernel/gerrit,renchaorevee/gerrit,qtproject/qtqa-gerrit,renchaorevee/gerrit,GerritCodeReview/gerrit,pkdevbox/gerrit,supriyantomaftuh/gerrit,gcoders/gerrit,quyixia/gerrit,MerritCR/merrit,thinkernel/gerrit,qtproject/qtqa-gerrit