chore(PCH): remove "ScriptPCH.h" from cpp scripts (#1423)

remove "ScriptPCH.h" from cpp scripts as it is intended to be used as precompiled header for the build process only

src/server/scripts/Northrend/Ulduar/HallsOfLightning/halls_of_lightning.h

@@ -5,8 +5,6 @@
 #ifndef DEF_HALLS_OF_LIGHTNING_H
 #define DEF_HALLS_OF_LIGHTNING_H
 
-#include "ScriptPCH.h"
-
 enum HoLEvents
 {
     TYPE_BJARNGRIM          = 0,

src/server/scripts/Northrend/Ulduar/HallsOfStone/halls_of_stone.h

@@ -5,8 +5,6 @@
 #ifndef DEF_HALLS_OF_STONE_H
 #define DEF_HALLS_OF_STONE_H
 
-#include "ScriptPCH.h"
-
 enum Encounter
 {
     BOSS_KRYSTALLUS             = 0,

src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h

@@ -5,7 +5,10 @@
 #ifndef DEF_ULDUAR_H
 #define DEF_ULDUAR_H
 
-#include "ScriptPCH.h"
+#include "Chat.h"
+#include "GridNotifiers.h"
+#include "GridNotifiersImpl.h"
+#include "CellImpl.h"
 
 enum UlduarEncounters
 {