Move Script ownership to script holder, added OnRemove script hook.

src/Battling/Models/Creature.hpp

@@ -67,6 +67,8 @@ namespace CreatureLib::Battling {
             for (auto attack : _attacks) {
                 delete attack;
             }
+            delete _activeTalent;
+            delete _status;
         };
 
         virtual void Initialize() {