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/BlackrockMountain/BlackrockDepths/blackrock_depths.h

@@ -7,8 +7,6 @@
 #ifndef DEF_BRD_H
 #define DEF_BRD_H
 
-#include "ScriptPCH.h"
-
 enum FactionIds
 {
     FACTION_NEUTRAL            = 734,

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/blackrock_spire.h

@@ -7,8 +7,6 @@
 #ifndef DEF_BLACKROCK_SPIRE_H
 #define DEF_BLACKROCK_SPIRE_H
 
-#include "ScriptPCH.h"
-
 uint32 const EncounterCount         = 23;
 
 #define BRSScriptName "instance_blackrock_spire"

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/blackwing_lair.h

@@ -7,8 +7,6 @@
 #ifndef DEF_BLACKWING_LAIR_H
 #define DEF_BLACKWING_LAIR_H
 
-#include "ScriptPCH.h"
-
 uint32 const EncounterCount     = 8;
 
 #define BRLScriptName "instance_blackwing_lair"

src/server/scripts/EasternKingdoms/BlackrockMountain/MoltenCore/molten_core.h

@@ -7,8 +7,6 @@
 #ifndef DEF_MOLTEN_CORE_H
 #define DEF_MOLTEN_CORE_H
 
-#include "ScriptPCH.h"
-
 enum Encounters
 {
     BOSS_LUCIFRON                   = 0,