Drop non systemd OS types support

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

roles/kubernetes/preinstall/tasks/main.yml

@@ -1,4 +1,7 @@
 ---
+- include: pre-upgrade.yml
+  tags: [upgrade,  bootstrap-os]
+
 - name: Force binaries directory for CoreOS
   set_fact:
     bin_dir: "/opt/bin"
@@ -59,14 +62,6 @@
   when: "{{ inventory_hostname in groups['k8s-cluster'] }}"
   tags: [kubelet, bootstrap-os, master, node]
 
-- name: Create kubernetes logs directory
-  file:
-    path: "{{ kube_log_dir }}"
-    state: directory
-    owner: kube
-  when: ansible_service_mgr in ["sysvinit","upstart"] and "{{ inventory_hostname in groups['k8s-cluster'] }}"
-  tags: [bootstrap-os, master, node]
-
 - name: check cloud_provider value
   fail:
     msg: "If set the 'cloud_provider' var must be set either to 'generic', 'gce', 'aws', 'azure' or 'openstack'"
@@ -179,7 +174,7 @@
 
 - include: resolvconf.yml
   tags: [bootstrap-os, resolvconf]
-  
+
 - name: Check if we are running inside a Azure VM
   stat: path=/var/lib/waagent/
   register: azure_check