Remove incorrect comment.
Remove incorrect comment.

This was introduced by commit 5ea86e6e65dd2da3e9a3464484985d48328e7fe3.

Peter Geoghegan

50wu/gpdb,ovr/postgres-xl,jmcatamney/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,lisakowen/gpdb,xinzweb/gpdb,xinzweb/gpdb,50wu/gpdb,adam8157/gpdb,50wu/gpdb,techdragon/Postgres-XL,50wu/gpdb,adam8157/gpdb,ovr/postgres-xl,techdragon/Postgres-XL,zeroae/postgres-xl,zeroae/postgres-xl,techdragon/Postgres-XL,lisakowen/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,lisakowen/gpdb,jmcatamney/gpdb,oberstet/postgres-xl,zeroae/postgres-xl,lisakowen/gpdb,Postgres-XL/Postgres-XL,zeroae/postgres-xl,xinzweb/gpdb,adam8157/gpdb,ovr/postgres-xl,pavanvd/postgres-xl,xinzweb/gpdb,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,lisakowen/gpdb,lisakowen/gpdb,greenplum-db/gpdb,yazun/postgres-xl,ovr/postgres-xl,greenplum-db/gpdb,techdragon/Postgres-XL,yazun/postgres-xl,lisakowen/gpdb,yazun/postgres-xl,greenplum-db/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,greenplum-db/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,adam8157/gpdb,lisakowen/gpdb,ovr/postgres-xl,xinzweb/gpdb,greenplum-db/gpdb,adam8157/gpdb,oberstet/postgres-xl,yazun/postgres-xl,50wu/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,50wu/gpdb,50wu/gpdb,adam8157/gpdb,adam8157/gpdb,yazun/postgres-xl,ashwinstar/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,pavanvd/postgres-xl,pavanvd/postgres-xl,jmcatamney/gpdb,adam8157/gpdb,oberstet/postgres-xl,xinzweb/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,techdragon/Postgres-XL,jmcatamney/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,50wu/gpdb