DB/Misc: Lady Jaina Proudmore

Few updates to https://github.com/TrinityCore/TrinityCore/commit/2b04a9c9d81fd0421e2072de9c6744386209098d as found npc_text 7012 was assigned to gossip menu in db

sql/updates/world/2016_03_10_00_world.sql

@@ -0,0 +1,4 @@
+DELETE FROM `creature_text` WHERE  `entry`=4968 AND `groupid`=6 AND `id`=0;
+DELETE FROM `smart_scripts` WHERE  `entryorguid`=4968 AND `source_type`=0 AND `id` IN(1,2);
+UPDATE `smart_scripts` SET `link`=0 WHERE  `entryorguid`=4968 AND `source_type`=0 AND `id`=0 AND `link`=1;
+UPDATE `gossip_menu_option` SET `action_menu_id`=5850 WHERE  `menu_id`=2465 AND `id`=0;