### Summary

ansible-doc contains deprecated calls to be removed for 2.17


### Issue Type

Feature Idea

### Component Name

`lib/ansible/cli/doc.py`
collection_name = doc['collection']
        
        
        
        
        
        
        doc['plainexamples'] = plainexamples
        doc['returndocs'] = returndocs
        doc['metadata'] = metadata
        try:
            text = DocCLI.get_man_text(doc, collection_name, plugin_type)
        except Exception as e:
            display.vvv(traceback.format_exc())
            raise AnsibleError("Unable to retrieve documentation from '%s' due to: %s" % (plugin, to_native(e)), orig_exc=e)
        return text
    def _get_plugin_list_descriptions(self, loader):
        descs = {}
        for plugin in self.plugins.keys():
            
            doc = None
            filename = Path(to_native(self.plugins[plugin][0]))
            docerror = None
            try:
                doc = read_docstub(filename)
            except Exception as e:
                docerror = e
            
            if doc is None: