Delete obsolete and non-propagated user modes.

Delete obsolete and non-propagated user modes.

src/hash.h (FLAGS_LOCOP): Delete.
  (FLAGS_SERVNOTICE): Delete.
  (FLAGS_HELPER): Delete.
  (IsServNotice): Delete.
  (IsHelperIrcu): Delete.

src/opserv.c (cmd_whois): Remove IsServNotice() or IsHelperIrcu().

src/proto-bahamut.c (mod_usermode): Do not handle +O/+s/+h, we never see them.

src/proto-p10.c (irc_user): Do not emit +s or +h, we never set them..
  (mod_usermode): Do not handle +O/+s/+h, we never see them.
git-archimport-id: srvx@srvx.net--2006/srvx--devo--1.3--patch-36