Remove optimization-specific stuff from OS sections.  Use CDEBUG.
Remove optimization-specific stuff from OS sections.  Use CDEBUG.

zaksoup/gpdb,Quikling/gpdb,rvs/gpdb,snaga/postgres-xl,Chibin/gpdb,lpetrov-pivotal/gpdb,greenplum-db/gpdb,snaga/postgres-xl,arcivanov/postgres-xl,lpetrov-pivotal/gpdb,oberstet/postgres-xl,chrishajas/gpdb,arcivanov/postgres-xl,Postgres-XL/Postgres-XL,yazun/postgres-xl,foyzur/gpdb,chrishajas/gpdb,ahachete/gpdb,postmind-net/postgres-xl,cjcjameson/gpdb,chrishajas/gpdb,cjcjameson/gpdb,CraigHarris/gpdb,xinzweb/gpdb,royc1/gpdb,janebeckman/gpdb,zaksoup/gpdb,kmjungersen/PostgresXL,Chibin/gpdb,lintzc/gpdb,kaknikhil/gpdb,edespino/gpdb,tangp3/gpdb,postmind-net/postgres-xl,xuegang/gpdb,xuegang/gpdb,kaknikhil/gpdb,rvs/gpdb,lisakowen/gpdb,tangp3/gpdb,Quikling/gpdb,zeroae/postgres-xl,arcivanov/postgres-xl,ahachete/gpdb,kaknikhil/gpdb,lisakowen/gpdb,Chibin/gpdb,xuegang/gpdb,atris/gpdb,greenplum-db/gpdb,0x0FFF/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,50wu/gpdb,ashwinstar/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,Postgres-XL/Postgres-XL,0x0FFF/gpdb,lisakowen/gpdb,zaksoup/gpdb,jmcatamney/gpdb,xuegang/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,royc1/gpdb,randomtask1155/gpdb,royc1/gpdb,kmjungersen/PostgresXL,rubikloud/gpdb,royc1/gpdb,techdragon/Postgres-XL,ashwinstar/gpdb,rvs/gpdb,kmjungersen/PostgresXL,cjcjameson/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,50wu/gpdb,edespino/gpdb,edespino/gpdb,adam8157/gpdb,yazun/postgres-xl,cjcjameson/gpdb,tangp3/gpdb,jmcatamney/gpdb,Quikling/gpdb,foyzur/gpdb,ovr/postgres-xl,adam8157/gpdb,randomtask1155/gpdb,xuegang/gpdb,snaga/postgres-xl,ahachete/gpdb,Postgres-XL/Postgres-XL,50wu/gpdb,pavanvd/postgres-xl,foyzur/gpdb,lpetrov-pivotal/gpdb,chrishajas/gpdb,xuegang/gpdb,xuegang/gpdb,techdragon/Postgres-XL,kmjungersen/PostgresXL,yuanzhao/gpdb,oberstet/postgres-xl,xinzweb/gpdb,Quikling/gpdb,xinzweb/gpdb,CraigHarris/gpdb,50wu/gpdb,yuanzhao/gpdb,rubikloud/gpdb,Postgres-XL/Postgres-XL,adam8157/gpdb,Quikling/gpdb,randomtask1155/gpdb,yazun/postgres-xl,arcivanov/postgres-xl,adam8157/gpdb,atris/gpdb,techdragon/Postgres-XL,janebeckman/gpdb,Chibin/gpdb,Quikling/gpdb,yuanzhao/gpdb,zeroae/postgres-xl,rvs/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,zaksoup/gpdb,xinzweb/gpdb,atris/gpdb,adam8157/gpdb,rvs/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,rvs/gpdb,kaknikhil/gpdb,royc1/gpdb,foyzur/gpdb,yuanzhao/gpdb,50wu/gpdb,Chibin/gpdb,adam8157/gpdb,lintzc/gpdb,tpostgres-projects/tPostgres,50wu/gpdb,adam8157/gpdb,CraigHarris/gpdb,tangp3/gpdb,Postgres-XL/Postgres-XL,CraigHarris/gpdb,lintzc/gpdb,foyzur/gpdb,tpostgres-projects/tPostgres,edespino/gpdb,Quikling/gpdb,xuegang/gpdb,lpetrov-pivotal/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,arcivanov/postgres-xl,randomtask1155/gpdb,techdragon/Postgres-XL,lisakowen/gpdb,jmcatamney/gpdb,rvs/gpdb,rvs/gpdb,50wu/gpdb,xinzweb/gpdb,royc1/gpdb,kaknikhil/gpdb,rvs/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,yuanzhao/gpdb,rubikloud/gpdb,lpetrov-pivotal/gpdb,xinzweb/gpdb,xinzweb/gpdb,zeroae/postgres-xl,0x0FFF/gpdb,lpetrov-pivotal/gpdb,ashwinstar/gpdb,kmjungersen/PostgresXL,50wu/gpdb,lintzc/gpdb,zeroae/postgres-xl,edespino/gpdb,Quikling/gpdb,lisakowen/gpdb,zaksoup/gpdb,jmcatamney/gpdb,ovr/postgres-xl,ashwinstar/gpdb,cjcjameson/gpdb,ovr/postgres-xl,0x0FFF/gpdb,randomtask1155/gpdb,randomtask1155/gpdb,edespino/gpdb,jmcatamney/gpdb,janebeckman/gpdb,ahachete/gpdb,edespino/gpdb,rvs/gpdb,tangp3/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,lintzc/gpdb,lintzc/gpdb,janebeckman/gpdb,kaknikhil/gpdb,ahachete/gpdb,0x0FFF/gpdb,0x0FFF/gpdb,rubikloud/gpdb,pavanvd/postgres-xl,snaga/postgres-xl,Chibin/gpdb,oberstet/postgres-xl,0x0FFF/gpdb,tangp3/gpdb,yazun/postgres-xl,lpetrov-pivotal/gpdb,tpostgres-projects/tPostgres,lintzc/gpdb,jmcatamney/gpdb,royc1/gpdb,CraigHarris/gpdb,ahachete/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,atris/gpdb,0x0FFF/gpdb,Quikling/gpdb,atris/gpdb,kaknikhil/gpdb,chrishajas/gpdb,lisakowen/gpdb,janebeckman/gpdb,yazun/postgres-xl,janebeckman/gpdb,ahachete/gpdb,foyzur/gpdb,janebeckman/gpdb,chrishajas/gpdb,CraigHarris/gpdb,arcivanov/postgres-xl,tpostgres-projects/tPostgres,zaksoup/gpdb,Quikling/gpdb,rubikloud/gpdb,cjcjameson/gpdb,Chibin/gpdb,randomtask1155/gpdb,pavanvd/postgres-xl,atris/gpdb,tangp3/gpdb,Chibin/gpdb,zeroae/postgres-xl,royc1/gpdb,ashwinstar/gpdb,janebeckman/gpdb,rubikloud/gpdb,janebeckman/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,zaksoup/gpdb,Chibin/gpdb,tangp3/gpdb,adam8157/gpdb,snaga/postgres-xl,postmind-net/postgres-xl,janebeckman/gpdb,rubikloud/gpdb,foyzur/gpdb,CraigHarris/gpdb,tpostgres-projects/tPostgres,oberstet/postgres-xl,jmcatamney/gpdb,greenplum-db/gpdb,edespino/gpdb,rubikloud/gpdb,ovr/postgres-xl,edespino/gpdb,Chibin/gpdb,ashwinstar/gpdb,pavanvd/postgres-xl,lintzc/gpdb,lintzc/gpdb,CraigHarris/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,ahachete/gpdb,oberstet/postgres-xl,CraigHarris/gpdb,edespino/gpdb,greenplum-db/gpdb,chrishajas/gpdb,greenplum-db/gpdb,lisakowen/gpdb,ovr/postgres-xl,xuegang/gpdb,cjcjameson/gpdb,chrishajas/gpdb,atris/gpdb,atris/gpdb,lisakowen/gpdb,jmcatamney/gpdb