Tefal vacuum: naming tweaks

- remove branding from top level name
- standardise model name using non-language dependent abbreviation

PR #2416

custom_components/tuya_local/devices/tefal_xplorer_vacuum.yaml

@@ -1,9 +1,9 @@
-name: Tefal vacuum
+name: Robot vacuum
 products:
   - id: gahugwuufkhzie7v
-    name: Tefal X-plorer Serie 75 Animal
+    name: Tefal X-plorer S75 Animal
   - id: tw2o6dntmqfpwsc7
-    name: Rowenta X-Plorer S75
+    name: Rowenta X-plorer S75
 primary_entity:
   entity: vacuum
   dps: