Changes

ttcn3-ggsn-test-ogs: run smf in 4g only mode

Remove the SBI related configuration, so open5gs-smf does not attempt to
connect to the NRF every few seconds.

Fix for:
  [sbi] WARNING: [299d78ae-fae5-41ee-84a3-dbd9fa117ce7] Retry registration with NRF (../lib/sbi/nf-sm.c:182)
  [sbi] WARNING: [7] Failed to connect to 127.0.1.10 port 7777 after 200 ms: Couldn't connect to server (../lib/sbi/client.c:698)

Change-Id: I61d60e6e71b671c3deb20cc7ff8abb81ea4d5f03

Revert "ttcn3-docker-run.sh: Fix dumpcap failing to access /data inside docker"

This reverts commit 2b9c8e3db8cf77c5ce5c3f888365f983f3ee8d76, as it
causes a lot of testsuites to fail with e.g.

  + network_replace_subnet_in_configs
  + set +x
  Applying SUBNET=161 to: /home/osmocom-build/jenkins/workspace/ttcn3-ggsn-test/logs/ggsn-all/osmo-ggsn.cfg
  Applying SUBNET=161 to: /home/osmocom-build/jenkins/workspace/ttcn3-ggsn-test/logs/ggsn-tester-all/GGSN_Tests.cfg
  sed: couldn't open temporary file /home/osmocom-build/jenkins/workspace/ttcn3-ggsn-test/logs/ggsn-tester-all/sedsByWIc: Permission denied

Let's discuss how to fix the dumpcap problem instead in OS#6455.

Change-Id: Ic98e8206d8251060b777fc7d0b4497ba3e1caf7f

debian-*: install pylint from debian repos

Get pylint from the debian repositories to be on the same version until
we use the next debian version, instead of always installing the latest
pylint version from pip.

Change-Id: I721db1c18db43cc7a2d38177e9846c43dbdd0ae3