refactor(src/server/game/*): remove unused imports (big part 1) (#20310)

src/server/scripts/World/item_scripts.cpp

@@ -20,6 +20,7 @@
 #include "Player.h"
 #include "ScriptedCreature.h"
 #include "Spell.h"
+#include "SpellMgr.h"
 
 /*#####
 # item_only_for_flight

src/server/scripts/World/mob_generic_creature.cpp

@@ -18,6 +18,7 @@
 #include "CreatureScript.h"
 #include "PassiveAI.h"
 #include "ScriptedCreature.h"
+#include "SpellMgr.h"
 
 class trigger_periodic : public CreatureScript
 {

src/server/scripts/World/npc_professions.cpp

@@ -21,6 +21,7 @@
 #include "ScriptedCreature.h"
 #include "ScriptedGossip.h"
 #include "SpellInfo.h"
+#include "SpellMgr.h"
 /* ScriptData
 SDName: Npc_Professions
 SD%Complete: 80