Matsee 2way meter: scale power factor consistently.

Power factor should either be scaled by 100 and unitless, or unscaled and "%"

Power factor B had both applied, which is incorrect.

PR #2714

custom_components/tuya_local/devices/matsee_2way_energymeter.yaml

@@ -271,8 +271,6 @@ entities:
         name: sensor
         unit: "%"
         class: measurement
-        mapping:
-          - scale: 100
   - entity: number
     name: Reporting rate
     category: config