Moebot: remove empty mapping

This made the config invalid.

custom_components/tuya_local/devices/moebot_s_mower.yaml

@@ -53,7 +53,6 @@ primary_entity:
     - id: 102
       name: error
       type: bitfield
-      mapping:
       # out_of_bounds, lifted, tilted, overturned, trapped, signal lost, motor fault, overheated, battery damaged
     - id: 106
       type: integer