Fixup VMware module docs issues (#36409)

Fix various argspec vs documentation issue

lib/ansible/utils/module_docs_fragments/vca.py

@@ -67,7 +67,7 @@ options:
     verify_certs:
       description:
         - If the certificates of the authentication is to be verified.
-      required: false
+      type: bool
       default: True
     vdc_name:
       description:

lib/ansible/utils/module_docs_fragments/vmware.py

@@ -38,9 +38,8 @@ options:
         description:
             - Allows connection when SSL certificates are not valid. Set to
               false when certificates are not trusted.
-        required: False
         default: 'True'
-        choices: ['True', 'False']
+        type: bool
     port:
         description:
             - The port number of the vSphere vCenter or ESXi server.