LSC neon strip: remove left over color_temp mapping

custom_components/tuya_local/devices/lsc_neon_ledstrip.yaml

@@ -31,10 +31,6 @@ entities:
         mapping:
           - dps_val: null
             value: 0
-        mapping:
-          - target_range:
-              min: 2700
-              max: 6500
       - id: 24
         name: rgbhsv
         type: hex