Update Eluna documentation

Author: Foereaper

Global/RegisterItemEvent.html

@@ -77,6 +77,8 @@ <h1 class='fqn'>
     ITEM_EVENT_ON_EXPIRE                            = 4,    // (event, player, itemid) - Can return true
     ITEM_EVENT_ON_REMOVE                            = 5,    // (event, player, item) - Can return true
     ITEM_EVENT_ON_ADD                               = 6,    // (event, player, item)
+    ITEM_EVENT_ON_EQUIP                             = 7,    // (event, player, item, slot)
+    ITEM_EVENT_ON_UNEQUIP                           = 8,    // (event, player, item, slot)
     ITEM_EVENT_COUNT
 };
 </pre>

Global/RegisterPlayerEvent.html

@@ -127,10 +127,6 @@ <h1 class='fqn'>
     // UNUSED                               =     52,       // (event, player)
     // UNUSED                               =     53,       // (event, player)
     PLAYER_EVENT_ON_QUEST_STATUS_CHANGED    =     54,       // (event, player, questId, status)
-    // UNUSED                               =     55,       // (event, player)
-    // UNUSED                               =     56,       // (event, player)
-    // UNUSED                               =     57,       // (event, player)
-    PLAYER_EVENT_ON_UNEQUIP                 =     58,       // (event, player, item, slot)
 };
 </pre>