Remove dead code.
Remove dead code.

royc1/gpdb,lintzc/gpdb,edespino/gpdb,0x0FFF/gpdb,kaknikhil/gpdb,adam8157/gpdb,xinzweb/gpdb,lintzc/gpdb,rvs/gpdb,adam8157/gpdb,chrishajas/gpdb,ahachete/gpdb,Chibin/gpdb,xinzweb/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,adam8157/gpdb,royc1/gpdb,lisakowen/gpdb,lintzc/gpdb,janebeckman/gpdb,yuanzhao/gpdb,lisakowen/gpdb,CraigHarris/gpdb,ahachete/gpdb,rvs/gpdb,greenplum-db/gpdb,Chibin/gpdb,yuanzhao/gpdb,ahachete/gpdb,Quikling/gpdb,50wu/gpdb,xinzweb/gpdb,kaknikhil/gpdb,xuegang/gpdb,CraigHarris/gpdb,zaksoup/gpdb,adam8157/gpdb,lintzc/gpdb,zaksoup/gpdb,ashwinstar/gpdb,royc1/gpdb,50wu/gpdb,Quikling/gpdb,edespino/gpdb,edespino/gpdb,rvs/gpdb,lintzc/gpdb,0x0FFF/gpdb,xinzweb/gpdb,lisakowen/gpdb,jmcatamney/gpdb,Quikling/gpdb,cjcjameson/gpdb,adam8157/gpdb,chrishajas/gpdb,yuanzhao/gpdb,royc1/gpdb,cjcjameson/gpdb,Chibin/gpdb,yuanzhao/gpdb,rubikloud/gpdb,greenplum-db/gpdb,rvs/gpdb,yuanzhao/gpdb,Chibin/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,xuegang/gpdb,adam8157/gpdb,rvs/gpdb,xuegang/gpdb,50wu/gpdb,royc1/gpdb,lisakowen/gpdb,janebeckman/gpdb,xuegang/gpdb,CraigHarris/gpdb,lintzc/gpdb,cjcjameson/gpdb,xuegang/gpdb,rvs/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,Quikling/gpdb,zaksoup/gpdb,rubikloud/gpdb,adam8157/gpdb,Quikling/gpdb,ashwinstar/gpdb,lisakowen/gpdb,50wu/gpdb,xuegang/gpdb,royc1/gpdb,chrishajas/gpdb,greenplum-db/gpdb,ahachete/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,janebeckman/gpdb,greenplum-db/gpdb,ahachete/gpdb,edespino/gpdb,50wu/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,janebeckman/gpdb,royc1/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,xuegang/gpdb,royc1/gpdb,50wu/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,xuegang/gpdb,lisakowen/gpdb,zaksoup/gpdb,ahachete/gpdb,janebeckman/gpdb,50wu/gpdb,edespino/gpdb,Chibin/gpdb,0x0FFF/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,zaksoup/gpdb,cjcjameson/gpdb,rubikloud/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,edespino/gpdb,janebeckman/gpdb,edespino/gpdb,rvs/gpdb,edespino/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,CraigHarris/gpdb,chrishajas/gpdb,lintzc/gpdb,zaksoup/gpdb,Quikling/gpdb,rvs/gpdb,Chibin/gpdb,zaksoup/gpdb,zaksoup/gpdb,greenplum-db/gpdb,Chibin/gpdb,0x0FFF/gpdb,xinzweb/gpdb,chrishajas/gpdb,janebeckman/gpdb,Quikling/gpdb,rvs/gpdb,yuanzhao/gpdb,Quikling/gpdb,janebeckman/gpdb,cjcjameson/gpdb,Chibin/gpdb,lintzc/gpdb,xinzweb/gpdb,chrishajas/gpdb,xinzweb/gpdb,0x0FFF/gpdb,rubikloud/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,edespino/gpdb,adam8157/gpdb,edespino/gpdb,Chibin/gpdb,xuegang/gpdb,kaknikhil/gpdb,chrishajas/gpdb,jmcatamney/gpdb,janebeckman/gpdb,chrishajas/gpdb,CraigHarris/gpdb,CraigHarris/gpdb,Quikling/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,Quikling/gpdb,xinzweb/gpdb,rubikloud/gpdb,rubikloud/gpdb,jmcatamney/gpdb,lisakowen/gpdb,50wu/gpdb,lisakowen/gpdb,Chibin/gpdb,ahachete/gpdb,rvs/gpdb,janebeckman/gpdb,lintzc/gpdb,CraigHarris/gpdb,ahachete/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,rubikloud/gpdb,rubikloud/gpdb,0x0FFF/gpdb