Remove postgres --help blurb about the removed -A option.
Remove postgres --help blurb about the removed -A option.

I missed this in 3bdcf6a5a755503.

Noticed by Merlin Moncure
Discussion: ad3dcf23b5d4d9dcb4021b26340d701b1ce4b7af@mail.gmail.com

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