Remove dead code
Remove dead code

The code is commented out without any commented out callsites so
remove. This is what the vcs history is for

50wu/gpdb,rvs/gpdb,rvs/gpdb,jmcatamney/gpdb,Chibin/gpdb,yuanzhao/gpdb,Chibin/gpdb,xinzweb/gpdb,edespino/gpdb,lintzc/gpdb,edespino/gpdb,adam8157/gpdb,rvs/gpdb,greenplum-db/gpdb,xinzweb/gpdb,Chibin/gpdb,Quikling/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,janebeckman/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,janebeckman/gpdb,Quikling/gpdb,lintzc/gpdb,janebeckman/gpdb,kaknikhil/gpdb,lintzc/gpdb,lisakowen/gpdb,edespino/gpdb,lintzc/gpdb,cjcjameson/gpdb,Chibin/gpdb,edespino/gpdb,lisakowen/gpdb,rvs/gpdb,adam8157/gpdb,lisakowen/gpdb,yuanzhao/gpdb,50wu/gpdb,edespino/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,xinzweb/gpdb,ashwinstar/gpdb,lisakowen/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,edespino/gpdb,kaknikhil/gpdb,janebeckman/gpdb,yuanzhao/gpdb,Quikling/gpdb,lintzc/gpdb,50wu/gpdb,Quikling/gpdb,janebeckman/gpdb,rvs/gpdb,adam8157/gpdb,kaknikhil/gpdb,rvs/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,50wu/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,janebeckman/gpdb,adam8157/gpdb,Chibin/gpdb,lisakowen/gpdb,50wu/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,janebeckman/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,lisakowen/gpdb,cjcjameson/gpdb,xinzweb/gpdb,lintzc/gpdb,ashwinstar/gpdb,Quikling/gpdb,lisakowen/gpdb,janebeckman/gpdb,rvs/gpdb,yuanzhao/gpdb,xinzweb/gpdb,adam8157/gpdb,kaknikhil/gpdb,Quikling/gpdb,jmcatamney/gpdb,Chibin/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,Quikling/gpdb,lintzc/gpdb,xinzweb/gpdb,yuanzhao/gpdb,xinzweb/gpdb,50wu/gpdb,lintzc/gpdb,cjcjameson/gpdb,adam8157/gpdb,rvs/gpdb,edespino/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,xinzweb/gpdb,cjcjameson/gpdb,janebeckman/gpdb,edespino/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,lintzc/gpdb,Chibin/gpdb,adam8157/gpdb,kaknikhil/gpdb,Chibin/gpdb,adam8157/gpdb,edespino/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,Chibin/gpdb,50wu/gpdb,rvs/gpdb,edespino/gpdb,Quikling/gpdb,janebeckman/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,Chibin/gpdb,ashwinstar/gpdb,lisakowen/gpdb,Quikling/gpdb,cjcjameson/gpdb,50wu/gpdb,Quikling/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,rvs/gpdb