HDMI sync light: remove duplicate and empty unit.

Issue #395 #issuecomment-1427799579 point 4

custom_components/tuya_local/devices/hdmi_sync_light.yaml

@@ -99,7 +99,6 @@ secondary_entities:
       - id: 26
         type: integer
         name: value
-        unit: 
         range:
           min: 0
           max: 86400