Use plain degree units for temperature calibrations without Celsius or Fahrenheit

custom_components/tuya_local/devices/drexma_et7aw_thermostat.yaml

@@ -238,9 +238,9 @@ entities:
         type: boolean
         mapping:
           - dps_val: false
-            value: °C
+            value: °
           - dps_val: true
-            value: °F
+            value: °
   - entity: number
     category: config
     name: Floor temperature calibration
@@ -267,9 +267,9 @@ entities:
         type: boolean
         mapping:
           - dps_val: false
-            value: °C
+            value: °
           - dps_val: true
-            value: °F
+            value: °
   - entity: number
     name: Heater Wattage
     class: power