Remove Solaris bug mention in pg_hba.conf.

Author: bmomjian

src/backend/libpq/pg_hba.conf.sample

@@ -35,9 +35,6 @@
 # encrypted passwords.  OPTION is the ident map or the name of the PAM
 # service.
 #
-# Note: On some Solaris systems, an IP-MASK of 255.255.255.255 is known not to work.
-# The corresponding CIDR-MASK of /32 does work.
-#
 # Database and user names containing spaces, commas, quotes and other special
 # characters can be quoted. Quoting one of the keywords "all", "sameuser" or
 # "samegroup"  makes the name lose its special character, and just match a