message: Removed unused gpio mode from GUI enums
diff: "GPIO_MODE_ENC2": 13,
  "GPIO_MODE_MECH_BRAKE": 14,
  "GPIO_MODE_STATUS": 15,
  - "GPIO_MODE_BRAKE_RES": 16,
  "STREAM_PROTOCOL_TYPE_FIBRE": 0,
  "STREAM_PROTOCOL_TYPE_ASCII": 1,
  "STREAM_PROTOCOL_TYPE_STDOUT": 2,
  