revert these two queries

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16224 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_presence.c

@@ -1885,7 +1885,7 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 		switch_snprintf(exp_delta_str, sizeof(exp_delta_str), "%ld", exp_delta);
 		
 		if (sofia_test_pflag(profile, PFLAG_MULTIREG)) {
-			sql = switch_mprintf("update sip_subscriptions set expires=-1 where call_id='%q' "
+			sql = switch_mprintf("delete from sip_subscriptions where call_id='%q' "
 								 "or (proto='%q' and sip_user='%q' and sip_host='%q' "
 								 "and sub_to_user='%q' and sub_to_host='%q' and event='%q' and hostname='%q' "
 								 "and contact='%q')",
@@ -1893,7 +1893,7 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 								 contact_str);
 
 		} else {
-			sql = switch_mprintf("update sip_subscriptions set expires=-1 where "
+			sql = switch_mprintf("delete from sip_subscriptions where "
 								 "proto='%q' and sip_user='%q' and sip_host='%q' and sub_to_user='%q' and sub_to_host='%q' and event='%q' and hostname='%q'",
 								 proto, from_user, from_host, to_user, to_host, event, mod_sofia_globals.hostname);
 		}