chore(Scripts/EK): remove useless includes (#18075)

* chore(Scripts/Kalimdor): remove useless includes

* chore(Scripts/EK): remove useless includes

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/instance_blackrock_spire.cpp

@@ -23,13 +23,11 @@
 #include "GridNotifiers.h"
 #include "InstanceMapScript.h"
 #include "InstanceScript.h"
-#include "ObjectDefines.h"
 #include "ObjectMgr.h"
 #include "ScriptedCreature.h"
 #include "SpellScript.h"
 #include "SpellScriptLoader.h"
 #include "blackrock_spire.h"
-#include "GridNotifiersImpl.h"
 
 uint32 const DragonspireMobs[3] = { NPC_BLACKHAND_DREADWEAVER, NPC_BLACKHAND_SUMMONER, NPC_BLACKHAND_VETERAN };
 

src/server/scripts/EasternKingdoms/BlackrockMountain/MoltenCore/boss_garr.cpp

@@ -15,7 +15,6 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "Containers.h"
 #include "CreatureScript.h"
 #include "ObjectAccessor.h"
 #include "ScriptedCreature.h"

src/server/scripts/EasternKingdoms/ScarletEnclave/chapter3.cpp

@@ -18,7 +18,6 @@
 #include "SpellInfo.h"
 #include "SpellScript.h"
 #include "SpellScriptLoader.h"
-#include "Unit.h"
 
 class spell_q12779_an_end_to_all_things : public SpellScript
 {

src/server/scripts/EasternKingdoms/ZulGurub/boss_jeklik.cpp

@@ -23,7 +23,6 @@
 #include "SpellScript.h"
 #include "SpellScriptLoader.h"
 #include "TaskScheduler.h"
-#include "WaypointMgr.h"
 #include "zulgurub.h"
 
 enum Says

src/server/scripts/EasternKingdoms/zone_blasted_lands.cpp

@@ -20,7 +20,6 @@ Blasted_Lands
 Quest support: 3628. Teleporter to Rise of the Defiler.
 */
 
-#include "CreatureScript.h"
 #include "Group.h"
 #include "Player.h"
 #include "ScriptedCreature.h"

src/server/scripts/EasternKingdoms/zone_burning_steppes.cpp

@@ -18,7 +18,6 @@
 #include "CreatureScript.h"
 #include "Player.h"
 #include "ScriptedCreature.h"
-#include "ScriptedGossip.h"
 
 /*######
 ## NPC 9836: Maredis Firestar

src/server/scripts/EasternKingdoms/zone_ghostlands.cpp

@@ -20,7 +20,6 @@
 #include "Player.h"
 #include "ScriptedCreature.h"
 #include "ScriptedEscortAI.h"
-#include "ScriptedGossip.h"
 
 /*######
 ## npc_ranger_lilatha