Remove an unused (and empty) header file.
Remove an unused (and empty) header file.

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