remove deprecated 'logging level all everything' from configs

it has been deprecated in libosmocore.git 2.5 years ago:

commit 7e0686c6b4b456ec4e6e15689694b1bcf96c301f
Author: Neels Hofmeyr <neels@hofmeyr.de>
Date:   Mon Sep 10 20:58:52 2018 +0200

Change-Id: Ieb9e958278e7bb9d5e798f83b70dcb873a25d06d
8 files changed