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_process.py

@@ -25,9 +25,9 @@ description:
   - For CRUD operations on Template resources themselves, see the community.okd.k8s module.
 
 extends_documentation_fragment:
-  - community.kubernetes.k8s_auth_options
-  - community.kubernetes.k8s_wait_options
-  - community.kubernetes.k8s_resource_options
+  - kubernetes.core.k8s_auth_options
+  - kubernetes.core.k8s_wait_options
+  - kubernetes.core.k8s_resource_options
 
 requirements:
   - "python >= 2.7"
@@ -212,7 +212,7 @@ from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils._text import to_native
 
 try:
-    from ansible_collections.community.kubernetes.plugins.module_utils.common import (
+    from ansible_collections.kubernetes.core.plugins.module_utils.common import (
         K8sAnsibleMixin, AUTH_ARG_SPEC, RESOURCE_ARG_SPEC, WAIT_ARG_SPEC
     )
     HAS_KUBERNETES_COLLECTION = True
@@ -243,7 +243,7 @@ class OpenShiftProcess(K8sAnsibleMixin):
 
         if not HAS_KUBERNETES_COLLECTION:
             self.module.fail_json(
-                msg="The community.kubernetes collection must be installed",
+                msg="The kubernetes.core collection must be installed",
                 exception=K8S_COLLECTION_ERROR,
                 error=to_native(k8s_collection_import_exception)
             )