Convert common packages to use the new tooling

The empty dict means that packages will always be installed on the host.

roles/kubernetes/preinstall/defaults/main.yml

@@ -7,16 +7,6 @@ epel_enabled: false
 dns_late: false
 
 common_required_pkgs:
-  - openssl
-  - curl
-  - rsync
-  - socat
-  - unzip
-  - e2fsprogs
-  - xfsprogs
-  - ebtables
-  - bash-completion
-  - tar
   - "{{ kube_proxy_mode == 'ipvs' | ternary(['ipvsadm', 'ipset'], []) }}"
 
 # Set to true if your network does not support IPv6