Tidy up validate-modules ignores for cloud/google modules (#1265)

* fixed validation-modules for plugins/modules/cloud/google/gcdns_record.py

* fixed validation-modules for plugins/modules/cloud/google/gcdns_zone.py

* fixed validation-modules for plugins/modules/cloud/google/gce_eip.py

* fixed validation-modules for plugins/modules/cloud/google/gce_img.py

* fixed validation-modules for plugins/modules/cloud/google/gce_instance_template.py

* fixed validation-modules for plugins/modules/cloud/google/gce_labels.py

* fixed validation-modules for plugins/modules/cloud/google/gce_lb.py

* fixed validation-modules for plugins/modules/cloud/google/gce_mig.py

* fixed validation-modules for plugins/modules/cloud/google/gce_net.py

* fixed validation-modules for plugins/modules/cloud/google/gce_pd.py

* fixed validation-modules for plugins/modules/cloud/google/gce_snapshot.py

* fixed validation-modules for plugins/modules/cloud/google/gce_tag.py

* fixed validation-modules for plugins/modules/cloud/google/gcp_backend_service.py

* fixed validation-modules for plugins/modules/cloud/google/gcp_forwarding_rule.py

* fixed validation-modules for plugins/modules/cloud/google/gcp_healthcheck.py

* fixed validation-modules for plugins/modules/cloud/google/gcp_target_proxy.py

* fixed validation-modules for plugins/modules/cloud/google/gcpubsub_info.py

* fixed validation-modules for plugins/modules/cloud/google/gcpubsub.py

* fixed validation-modules for plugins/modules/cloud/google/gcp_url_map.py

* fixed validation-modules for plugins/modules/cloud/google/gcspanner.py

* fixed validation-modules for plugins/modules/cloud/google/gc_storage.py

* adjust parameter description in gce_eip.py

* fixed validation-modules for plugins/modules/cloud/google/gce.py

* removed extra type definition

* reformatted long lines

* Tidy up validate-modules ignores for cloud/google modules

* gc_storage.py: fixed parameter to be overwrite and alias force, instead of the other way around

* rolled back a number of ignore lines that ansible 2.9 believes to defy sanity

* gce_instance_template.py: the metadata parameter brings no definition whatsoever in argument_spec, causing a number of problems. Rolling back for now.

* Fixes on docs from the PR

plugins/modules/cloud/google/gce_labels.py

@@ -33,25 +33,57 @@ author:
   - 'Eric Johnson (@erjohnso) <erjohnso@google.com>'
 options:
   labels:
+    type: dict
     description:
        - A list of labels (key/value pairs) to add or remove for the resource.
     required: false
   resource_url:
+    type: str
     description:
        - The 'self_link' for the resource (instance, disk, snapshot, etc)
     required: false
   resource_type:
+    type: str
     description:
        - The type of resource (instances, disks, snapshots, images)
     required: false
   resource_location:
+    type: str
     description:
        - The location of resource (global, us-central1-f, etc.)
     required: false
   resource_name:
+    type: str
     description:
        - The name of resource.
     required: false
+  state:
+    type: str
+    description: The state the labels should be in. C(present) or C(absent) are the only valid options.
+    default: present
+    required: false
+    choices: [present, absent]
+  project_id:
+    type: str
+    description:
+      - The Google Cloud Platform project ID to use.
+  pem_file:
+    type: str
+    description:
+      - The path to the PEM file associated with the service account email.
+      - This option is deprecated and may be removed in a future release. Use I(credentials_file) instead.
+  credentials_file:
+    type: str
+    description:
+      - The path to the JSON file associated with the service account email.
+  service_account_email:
+    type: str
+    description:
+      - service account email
+  service_account_permissions:
+    type: list
+    description:
+      - service account email
 '''
 
 EXAMPLES = '''