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_mig.py

@@ -26,46 +26,70 @@ author:
   - "Tom Melendez (@supertom) <tom@supertom.com>"
 options:
   name:
+    type: str
     description:
        - Name of the Managed Instance Group.
     required: true
   template:
+    type: str
     description:
        - Instance Template to be used in creating the VMs.  See
          U(https://cloud.google.com/compute/docs/instance-templates) to learn more
          about Instance Templates.  Required for creating MIGs.
   size:
+    type: int
     description:
        - Size of Managed Instance Group.  If MIG already exists, it will be
          resized to the number provided here.  Required for creating MIGs.
   service_account_email:
+    type: str
     description:
       - service account email
+  service_account_permissions:
+    type: list
+    description:
+      - service account permissions
+  pem_file:
+    type: path
+    description:
+      - path to the pem file associated with the service account email
+        This option is deprecated. Use 'credentials_file'.
   credentials_file:
+    type: path
     description:
       - Path to the JSON file associated with the service account email
   project_id:
+    type: str
     description:
       - GCE project ID
   state:
+    type: str
     description:
       - desired state of the resource
     default: "present"
     choices: ["absent", "present"]
   zone:
+    type: str
     description:
       - The GCE zone to use for this Managed Instance Group.
     required: true
   autoscaling:
+    type: dict
     description:
       - A dictionary of configuration for the autoscaler. 'enabled (bool)', 'name (str)'
         and policy.max_instances (int) are required fields if autoscaling is used. See
         U(https://cloud.google.com/compute/docs/reference/beta/autoscalers) for more information
         on Autoscaling.
   named_ports:
+    type: list
     description:
       - Define named ports that backend services can forward data to.  Format is a a list of
         name:port dictionaries.
+  recreate_instances:
+    type: bool
+    default: no
+    description:
+      - Recreate MIG instances.
 '''
 
 EXAMPLES = '''