Revert "Core/Entities: bring back the root/stun check on unit death - for now"

This reverts commit c5e2a94.

Author: Shauren

src/server/game/Entities/Unit/Unit.cpp

@@ -8761,7 +8761,7 @@ void Unit::setDeathState(DeathState s)
         {
             if (GetMotionMaster()->StopOnDeath())
             {
-                if (!HasUnitState(UNIT_STATE_ROOT | UNIT_STATE_STUNNED) && GetTypeId() == TYPEID_UNIT && IsInAir(*this, GetFloorZ(), false) && !IsUnderWater())
+                if (GetTypeId() == TYPEID_UNIT && IsInAir(*this, GetFloorZ(), false) && !IsUnderWater())
                 {
                     GetMotionMaster()->AddFlag(MOTIONMASTER_FLAG_STATIC_PREVENT_INITIALIZATION);
                     SetFall(true);