Make sure python3- packages get installed, removed python-psutil

hshbase/pythonpackages.sls

 # Always ships this packages - we need them for grains
+# TODO: Remove the python- versions as soon as we do not have py2 in the wild anymore
 {% if grains['os'] == 'Debian' and grains['oscodename'] != 'squeeze' or grains['os'] == 'Ubuntu' %}
 hsh_python_packages_salt:
   pkg.installed:
     - pkgs:
       - python-netifaces
-      - python-psutil
+      - python3-netifaces
 
 {% elif grains['os'] == 'FreeBSD' %}
 hsh_python_packages_salt: