Do not install python2 with fail2ban

2.Common_services/8.Fail2ban/0_setup.py

@@ -10,7 +10,7 @@ def setup(interactive=True):
     utils.log('Install fail2ban')
     cmds = [
         'apt-get update',
-        'apt-get install -y fail2ban',
+        'apt-get install -y --no-install-recommends fail2ban',
     ]
     utils.run_commands(cmds)
     # configure fail2ban