chore(axen_ks100w_heatpump): whitespace cleanup

custom_components/tuya_local/devices/axen_ks100w_heatpump.yaml

@@ -215,7 +215,7 @@ entities:
           - dps_val: heat_hot_water
             value: hotwater_heat
           - dps_val: auto_dhw
-            value: hotwater_auto            
+            value: hotwater_auto
   - entity: sensor
     name: Inlet temperature
     class: temperature