Scripts: Replaced calls to ForcedDespawn with DespawnOrUnsummon (calls appropriate AI hooks in case of temporary summons) and made ForcedDespawn private

src/server/scripts/Kalimdor/bloodmyst_isle.cpp

@@ -193,7 +193,7 @@ public:
             if (type == POINT_MOTION_TYPE && id == 1)
             {
                 DoScriptText(SAY_DIRECTION, me);
-                me->ForcedDespawn();
+                me->DespawnOrUnsummon();
             }
         }
     };

src/server/scripts/Kalimdor/durotar.cpp

@@ -264,7 +264,7 @@ class npc_tiger_matriarch : public CreatureScript
                     vehSummoner->RemoveAurasDueToSpell(SPELL_SPIRIT_OF_THE_TIGER_RIDER);
                     vehSummoner->RemoveAurasDueToSpell(SPELL_SUMMON_ZENTABRA_TRIGGER);
                 }
-                me->ForcedDespawn();
+                me->DespawnOrUnsummon();
             }
 
             void DamageTaken(Unit* attacker, uint32& damage)
@@ -287,7 +287,7 @@ class npc_tiger_matriarch : public CreatureScript
                         vehSummoner->RemoveAurasDueToSpell(SPELL_SUMMON_ZENTABRA_TRIGGER);
                     }
 
-                    me->ForcedDespawn();
+                    me->DespawnOrUnsummon();
                 }
             }
 

src/server/scripts/Kalimdor/dustwallow_marsh.cpp

@@ -847,7 +847,7 @@ public:
                 player->KilledMonsterCredit(NPC_THERAMORE_PRISONER, 0);
 
             prisoner->AI()->Talk(SAY_FREE); // We also emote cry here (handled in creature_text.emote)
-            prisoner->ForcedDespawn(6000);
+            prisoner->DespawnOrUnsummon(6000);
         }
         return true;
     }