Remove useless (and insecure) temp file handling.
Remove useless (and insecure) temp file handling.

greenplum-db/gpdb,xinzweb/gpdb,lisakowen/gpdb,snaga/postgres-xl,kmjungersen/PostgresXL,kmjungersen/PostgresXL,zeroae/postgres-xl,yuanzhao/gpdb,50wu/gpdb,edespino/gpdb,ashwinstar/gpdb,ovr/postgres-xl,oberstet/postgres-xl,xinzweb/gpdb,techdragon/Postgres-XL,lisakowen/gpdb,xinzweb/gpdb,tpostgres-projects/tPostgres,zeroae/postgres-xl,ashwinstar/gpdb,yazun/postgres-xl,snaga/postgres-xl,lisakowen/gpdb,xinzweb/gpdb,techdragon/Postgres-XL,arcivanov/postgres-xl,adam8157/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,50wu/gpdb,yuanzhao/gpdb,lisakowen/gpdb,zeroae/postgres-xl,Chibin/gpdb,adam8157/gpdb,techdragon/Postgres-XL,jmcatamney/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,yuanzhao/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,postmind-net/postgres-xl,arcivanov/postgres-xl,edespino/gpdb,jmcatamney/gpdb,snaga/postgres-xl,50wu/gpdb,jmcatamney/gpdb,pavanvd/postgres-xl,50wu/gpdb,adam8157/gpdb,tpostgres-projects/tPostgres,arcivanov/postgres-xl,oberstet/postgres-xl,adam8157/gpdb,zeroae/postgres-xl,Chibin/gpdb,yuanzhao/gpdb,ovr/postgres-xl,Postgres-XL/Postgres-XL,Chibin/gpdb,yuanzhao/gpdb,xinzweb/gpdb,ovr/postgres-xl,edespino/gpdb,jmcatamney/gpdb,kmjungersen/PostgresXL,snaga/postgres-xl,Chibin/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,lisakowen/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,edespino/gpdb,edespino/gpdb,edespino/gpdb,Chibin/gpdb,oberstet/postgres-xl,tpostgres-projects/tPostgres,greenplum-db/gpdb,yazun/postgres-xl,yazun/postgres-xl,arcivanov/postgres-xl,ashwinstar/gpdb,edespino/gpdb,edespino/gpdb,xinzweb/gpdb,postmind-net/postgres-xl,50wu/gpdb,50wu/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,arcivanov/postgres-xl,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,lisakowen/gpdb,Postgres-XL/Postgres-XL,yuanzhao/gpdb,yuanzhao/gpdb,Chibin/gpdb,postmind-net/postgres-xl,adam8157/gpdb,yuanzhao/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,zeroae/postgres-xl,Postgres-XL/Postgres-XL,edespino/gpdb,lisakowen/gpdb,xinzweb/gpdb,jmcatamney/gpdb,adam8157/gpdb,adam8157/gpdb,Chibin/gpdb,postmind-net/postgres-xl,tpostgres-projects/tPostgres,Chibin/gpdb,yazun/postgres-xl,kmjungersen/PostgresXL,adam8157/gpdb,snaga/postgres-xl,ashwinstar/gpdb,techdragon/Postgres-XL,yuanzhao/gpdb,Chibin/gpdb,jmcatamney/gpdb,edespino/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,50wu/gpdb,oberstet/postgres-xl,techdragon/Postgres-XL,Chibin/gpdb,oberstet/postgres-xl,kmjungersen/PostgresXL,50wu/gpdb,xinzweb/gpdb,ovr/postgres-xl,greenplum-db/gpdb,yazun/postgres-xl,pavanvd/postgres-xl,pavanvd/postgres-xl,ovr/postgres-xl