Remove obsolete tip about casting bool to int, per Taiki Yamaguchi.
Remove obsolete tip about casting bool to int, per Taiki Yamaguchi.

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