This file is inconsistent with the rest of the files in this set. The description in the file /etc/defaults/armbian-motd says that you can block sections of the generate motd thus:
# add space-separated list of MOTD script names (without number) to exclude them from MOTD
# Example:
# MOTD_DISABLE="header tips updates"
#
This presently fails for this file, you need to add "armbian-config" to the MOTD_DISABLE list to block it.
Matching the style of the THIS_SCRIPT name in this file, to the other files in the set, removes this inconsistency. I've found no unexpected behavior after making the change.
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