Remove useless leftover global variable Ps_status_buffer.
Remove useless leftover global variable Ps_status_buffer.

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