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/EasternKingdoms/SunkenTemple/instance_sunken_temple.cpp

@@ -3,11 +3,11 @@
 */
 
 #include "ScriptMgr.h"
-#include "ScriptPCH.h"
 #include "InstanceScript.h"
 #include "sunken_temple.h"
 #include "Player.h"
 #include "CreatureAI.h"
+#include "SpellScript.h"
 
 class instance_sunken_temple : public InstanceMapScript
 {

src/server/scripts/EasternKingdoms/SunkenTemple/sunken_temple.h

@@ -5,8 +5,6 @@
 #ifndef DEF_SUNKEN_TEMPLE_H
 #define DEF_SUNKEN_TEMPLE_H
 
-#include "ScriptPCH.h"
-
 enum DataTypes
 {
     DATA_STATUES                = 10,