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/scripts/Northrend/IcecrownCitadel/boss_deathbringer_saurfang.cpp

@@ -575,7 +575,6 @@ public:
                         _events.ScheduleEvent(EVENT_OUTRO_HORDE_1, 10000);
                         _events.ScheduleEvent(EVENT_OUTRO_HORDE_2, 18000);
                         _events.ScheduleEvent(EVENT_OUTRO_HORDE_3, 24000);*/
-
                     }
                     break;
                 case ACTION_EVADE:

src/server/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp

@@ -268,7 +268,6 @@ enum Events
     EVENT_DESTROY_SOUL,
     EVENT_TELEPORT_BACK,
     EVENT_SOUL_RIP,
-
 };
 
 enum EventGroups
@@ -694,7 +693,6 @@ public:
             me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_PC);
             me->SetReactState(REACT_PASSIVE);
             me->SetStandState(UNIT_STAND_STATE_SIT);
-
         }
 
         bool CanAIAttack(Unit const* target) const override
@@ -828,7 +826,6 @@ public:
                         tirion->PlayDirectSound(17389);
                     }
                 }
-
             }
             else if (damage >= me->GetHealth())
                 damage = me->GetHealth() - 1;
@@ -2138,7 +2135,6 @@ public:
                 a->SetDuration(0);
             if (GetCaster()->GetTypeId() == TYPEID_UNIT)
                 GetCaster()->ToCreature()->DespawnOrUnsummon(3000);
-
         }
 
         void Register() override

src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel.cpp

@@ -1772,7 +1772,6 @@ public:
                 c->getThreatManager().resetAllAggro();
                 for (ThreatContainer::StorageType::const_iterator iter = me_tl.begin(); iter != me_tl.end(); ++iter)
                     c->getThreatManager().addThreat((*iter)->getTarget(), (*iter)->getThreat());
-
             }
         }
 
@@ -2990,7 +2989,6 @@ public:
                 else
                     break;
             }
-
         }
 
         bool CanAIAttack(Unit const* target) const override