Issue #57: Switch dependency from community.kubernetes to kubernetes.core. (#58)

* Issue #57: Switch dependency from community.kubernetes to kubernetes.core.

* Issue #57: Rely on kubernetes.core install directly.

* Issue #57: Don't install kubernetes.core from source anymore.

plugins/modules/openshift_auth.py

@@ -99,7 +99,7 @@ EXAMPLES = r'''
     # Previous task provides the token/api_key, while all other parameters
     # are taken from module_defaults
     - name: Get a list of all pods from any namespace
-      community.kubernetes.k8s_info:
+      kubernetes.core.k8s_info:
         api_key: "{{ openshift_auth_results.openshift_auth.api_key }}"
         kind: Pod
       register: pod_list