Core/Scripts: Removed double calls to InstanceScript's Initialize methods

src/server/scripts/Outland/CoilfangReservoir/SerpentShrine/instance_serpent_shrine.cpp

@@ -75,7 +75,6 @@ class instance_serpent_shrine : public InstanceMapScript
         {
             instance_serpentshrine_cavern_InstanceMapScript(Map* pMap) : InstanceScript(pMap)
             {
-                Initialize();
             }
 
             void Initialize()

src/server/scripts/Outland/CoilfangReservoir/SteamVault/instance_steam_vault.cpp

@@ -73,7 +73,7 @@ public:
 
     struct instance_steam_vault_InstanceMapScript : public InstanceScript
     {
-        instance_steam_vault_InstanceMapScript(Map* pMap) : InstanceScript(pMap) {Initialize();};
+        instance_steam_vault_InstanceMapScript(Map* pMap) : InstanceScript(pMap) {}
 
         uint32 m_auiEncounter[MAX_ENCOUNTER];