refactor(Core): rename namespaces and macros to acore (#2454)

src/server/scripts/EasternKingdoms/Karazhan/boss_moroes.cpp

@@ -165,7 +165,7 @@ class boss_moroes : public CreatureScript
                     if (Creature* summon = ObjectAccessor::GetCreature(*me, *i))
                         guestList.push_back(summon);
 
-                return Trinity::Containers::SelectRandomContainerElement(guestList);
+                return acore::Containers::SelectRandomContainerElement(guestList);
             }
 
             void UpdateAI(uint32 diff)

src/server/scripts/EasternKingdoms/Karazhan/boss_prince_malchezaar.cpp

@@ -299,7 +299,7 @@ public:
             }
             else
             {
-                point = Trinity::Containers::SelectRandomContainerElement(positions);
+                point = acore::Containers::SelectRandomContainerElement(positions);
                 pos.Relocate(point->x, point->y, INFERNAL_Z, frand(0.0f, float(M_PI * 2)));
             }