Fix now-obsolete comment.
Fix now-obsolete comment.

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