Update arlec_fan.yaml

Wrong option in timer values

custom_components/tuya_local/devices/arlec_fan.yaml

@@ -30,7 +30,7 @@ primary_entity:
       name: timer
       type: string
       mapping:
-        - dps_val: normal
+        - dps_val: off
         - dps_val: 2hour
         - dps_val: 4hour
         - dps_val: 8hour