dont flood logs with charge rate notification

src/api_interface.rs

@@ -393,7 +393,7 @@ impl TeslaInterface {
                 .set_charging_amps(&self.vehicle.vin, &SetChargingAmps { charging_amps })
                 .await
             {
-                Ok(_) => log::warn!("Successfully set charge rate to {charging_amps}"),
+                Ok(_) => {}
                 Err(e) => log::error!("Error setting charge rate: {e:?}"),
             },
         }