Update echief_sgh01_planter.yaml (#4777)

- Remove incorrect sensor category
- add units

custom_components/tuya_local/devices/echief_sgh01_planter.yaml

@@ -46,11 +46,11 @@ entities:
           max: 30
   - entity: sensor
     name: Nutrient time remaining
-    category: config
     class: duration
     translation_key: time_remaining
     dps:
       - id: 107
+        unit: d
         type: integer
         name: sensor
   - entity: select