pgsql: Revert based on Tom's recommendation: > Allow VACUUM to complete - Mailing list pgsql-committers

Log Message:
-----------
Revert based on Tom's recommendation:

> Allow VACUUM to complete faster by avoiding scanning the indexes when no
> rows were removed from the heap by the VACUUM.

Modified Files:
--------------
    pgsql/src/backend/access/gist:
        gistvacuum.c (r1.12 -> r1.13)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/gist/gistvacuum.c.diff?r1=1.12&r2=1.13)
    pgsql/src/backend/access/hash:
        hash.c (r1.84 -> r1.85)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/hash/hash.c.diff?r1=1.84&r2=1.85)
    pgsql/src/backend/access/index:
        indexam.c (r1.88 -> r1.89)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/index/indexam.c.diff?r1=1.88&r2=1.89)
    pgsql/src/backend/access/nbtree:
        nbtree.c (r1.137 -> r1.138)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/nbtree/nbtree.c.diff?r1=1.137&r2=1.138)
    pgsql/src/backend/commands:
        vacuum.c (r1.322 -> r1.323)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/vacuum.c.diff?r1=1.322&r2=1.323)
        vacuumlazy.c (r1.64 -> r1.65)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/vacuumlazy.c.diff?r1=1.64&r2=1.65)
    pgsql/src/include/access:
        genam.h (r1.55 -> r1.56)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/access/genam.h.diff?r1=1.55&r2=1.56)