fix(dewall_evcharger): remove 3kW from model, as multiple variants match

The manufacturer uses the same product id to match multiple devices

Issue #4923

custom_components/tuya_local/devices/dewall_evcharger.yaml

@@ -5,7 +5,7 @@ products:
     model: Wall charger
   - id: gxrtu5vljdthtd3g
     manufacturer: dé
-    model: GD 3kW portable charger
+    model: GD portable charger
 entities:
   - entity: sensor
     translation_key: status