Codechange: Don't delete news items or NewGRF window when EffectVehicle is deleted. (#12334)

EffectVehicles never create news and can't be debugged, so searching for news items and windows to delete just wastes time.

(cherry picked from commit 737e3feaf0)

src/vehicle.cpp

@@ -1278,9 +1278,11 @@ Vehicle::~Vehicle()
 
 	if (this->type < VEH_COMPANY_END) UpdateVehicleTileHash(this, true);
 	UpdateVehicleViewportHash(this, INVALID_COORD, 0);
+	if (this->type != VEH_EFFECT) {
 		DeleteVehicleNews(this->index, INVALID_STRING_ID);
 		DeleteNewGRFInspectWindow(GetGrfSpecFeature(this->type), this->index);
 	}
+}
 
 /**
  * Vehicle pool is about to be cleaned