Log Message:
-----------
Remove GUC extra_desc strings that are redundant with the enum value lists.
Modified Files:
--------------
pgsql/src/backend/utils/misc:
guc.c (r1.460 -> r1.461)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc.c?r1=1.460&r2=1.461)