ansible/jenkins/osmocom_build_deps: drop py2 pkgs

Drop python2 packages. It's deprecated, packages don't exist in
debian 11 and our jenkins nodes don't need it anymore.

Related: OS#5453
Change-Id: Id2da7adab83f240e7e0b45c018f91c9e639fc80d

ansible/roles/osmocom-jenkins-slave/tasks/osmocom_build_deps.yml

@@ -29,7 +29,6 @@
       - mscgen
       - osc
       - pkgconf
-      - python-minimal
       - python-setuptools
       - python3
       - python3-setuptools
@@ -37,7 +36,6 @@
       - texinfo
       # by gsm-manuals
       - python3-nwdiag
-      - python-pychart
       - inkscape
       # by gapk
       - libasound-dev