Remove redundant README.
Remove redundant README.

This is mostly the same as the README on previous directory level.

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