Calibration messages come through as high severity

For example "Place vehicle on LEFT side and press any key" come through at high error severities instead of info level severities. This cause them to pop up as errors in QGroundControl.

Start by locating where calibration messages such as "Place vehicle on LEFT side and press any key" are assigned their severity. Verify the resulting messages are classified at info level and no longer appear as errors in QGroundControl.

Written by the indexing model from the issue text.