shorten comment to remain within yamllint line length

custom_components/tuya_local/devices/fmsolar_12k_heatpump.yaml

@@ -116,7 +116,7 @@ entities:
             value: true
           - dps_val: F
             value: true
-          # Qlima gives lower case c and f here, but actual setting is fixed to C
+          # Qlima gives lower case c and f here, but actual unit is fixed to C
           - value: false
   - entity: switch
     translation_key: auto_dry