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/Nexus/EyeOfEternity/eye_of_eternity.h

@@ -5,7 +5,7 @@
 #ifndef DEF_EYE_OF_ETERNITY_H
 #define DEF_EYE_OF_ETERNITY_H
 
-#include "ScriptPCH.h"
+#include "Chat.h"
 
 enum Objects
 {

src/server/scripts/Northrend/Nexus/Nexus/nexus.h

@@ -5,7 +5,12 @@
 #ifndef DEF_NEXUS_H
 #define DEF_NEXUS_H
 
-#include "ScriptPCH.h"
+#include "Player.h"
+#include "SpellScript.h"
+#include "PassiveAI.h"
+#include "SpellAuras.h"
+#include "GridNotifiers.h"
+#include "GameEventMgr.h"
 
 enum eTypes
 {

src/server/scripts/Northrend/Nexus/Oculus/oculus.h

@@ -5,7 +5,9 @@
 #ifndef DEF_OCULUS_H
 #define DEF_OCULUS_H
 
-#include "ScriptPCH.h"
+#include "SpellScript.h"
+#include "SpellAuras.h"
+#include "SpellAuraEffects.h"
 
 enum Data
 {