Updated Unit.cpp.

*Removed ensuring there is a target in getTarget(), which solves a crash when debugging during runtime

src/Unit.cpp

@@ -328,9 +328,6 @@ void Unit::ability(sc2::AbilityID ability, const Unit& target) const
 Unit Unit::getTarget() const
 {
     BOT_ASSERT(isValid(), "Unit is not valid");
-    if (!hasTarget()){
-	return NULL
-    }
 
     // if unit has order, check tag of target of first order
     if(getUnitPtr()->orders.size() > 0){