fix (devices): remove power_factor from entities that are power level

Power factor is something specific to AC power efficiency. It should
not be confused for the level of power that an A/C is using.

custom_components/tuya_local/devices/devola_patio_heater.yaml

@@ -78,7 +78,6 @@ entities:
   - entity: sensor
     name: Power level
     category: diagnostic
-    class: power_factor
     dps:
       - id: 5
         type: string

custom_components/tuya_local/devices/gardenpac_heatpump.yaml

@@ -61,7 +61,6 @@ entities:
             value: activity
   - entity: sensor
     name: Power level
-    class: power_factor
     icon: "mdi:signal"
     category: diagnostic
     dps:

custom_components/tuya_local/devices/goldair_gpph_heater.yaml

@@ -143,7 +143,6 @@ entities:
           max: 1440
   - entity: sensor
     name: Power level
-    class: power_factor
     icon: "mdi:signal"
     category: diagnostic
     dps:

custom_components/tuya_local/devices/ips_pro_heatpump.yaml

@@ -61,7 +61,6 @@ entities:
         optional: true
   - entity: sensor
     name: Power level
-    class: power_factor
     category: diagnostic
     dps:
       - id: 104

custom_components/tuya_local/devices/madimack_elite_v3_heatpump.yaml

@@ -86,7 +86,6 @@ entities:
   - entity: sensor
     category: diagnostic
     name: Power level
-    class: power_factor
     dps:
       - id: 20
         type: integer

custom_components/tuya_local/devices/madimack_elite_v3_heatpump_updated.yaml

@@ -69,7 +69,6 @@ entities:
   - entity: sensor
     category: diagnostic
     name: Power level
-    class: power_factor
     dps:
       - id: 109
         type: integer

custom_components/tuya_local/devices/madimack_elitev4_heatpump.yaml

@@ -95,7 +95,6 @@ entities:
   - entity: sensor
     category: diagnostic
     name: Power level
-    class: power_factor
     dps:
       - id: 109
         type: integer

custom_components/tuya_local/devices/madimack_heatpump.yaml

@@ -98,7 +98,6 @@ entities:
     category: diagnostic
     name: Power level
     icon: "mdi:signal"
-    class: power_factor
     dps:
       - id: 104
         type: integer
@@ -195,7 +194,6 @@ entities:
   - entity: sensor
     category: diagnostic
     name: Compressor speed
-    class: power_factor
     dps:
       - id: 125
         type: integer