Do not install kubernetes-cni package

Fixes #77.

README.md

@@ -19,8 +19,6 @@ Available variables are listed below, along with default values (see `defaults/m
         state: present
       - name: kubeadm
         state: present
-      - name: kubernetes-cni
-        state: present
 
 Kubernetes packages to be installed on the server. You can either provide a list of package names, or set `name` and `state` to have more control over whether the package is `present`, `absent`, `latest`, etc.
 

defaults/main.yml

@@ -6,8 +6,6 @@ kubernetes_packages:
     state: present
   - name: kubeadm
     state: present
-  - name: kubernetes-cni
-    state: present
 
 kubernetes_version: '1.17'
 kubernetes_version_rhel_package: '1.17.2'

vars/RedHat.yml

@@ -7,5 +7,3 @@ kubernetes_packages:
     state: present
   - name: kubeadm-{{ kubernetes_version_rhel_package }}-0
     state: present
-  - name: kubernetes-cni
-    state: present