chore(core): remove malformed whitespaces (#4244)

* from https://www.codefactor.io/repository/github/azerothcore/azerothcore-wotlk/issues?category=Style&groupId=838&lang=5&page=75

src/server/game/AI/CoreAI/PetAI.h

@@ -35,7 +35,6 @@ enum SpecialPets
 class PetAI : public CreatureAI
 {
 public:
-
     explicit PetAI(Creature* c);
 
     void UpdateAI(uint32) override;

src/server/game/AI/CoreAI/ReactorAI.h

@@ -14,7 +14,6 @@ class Unit;
 class ReactorAI : public CreatureAI
 {
 public:
-
     explicit ReactorAI(Creature* c) : CreatureAI(c) {}
 
     void MoveInLineOfSight(Unit*) override {}

src/server/game/AI/CoreAI/TotemAI.h

@@ -16,7 +16,6 @@ class Totem;
 class TotemAI : public CreatureAI
 {
 public:
-
     explicit TotemAI(Creature* c);
 
     void MoveInLineOfSight(Unit* who) override;