### Summary

ansible-doc contains deprecated calls to be removed for 2.17


### Issue Type

Feature Idea

### Component Name

`lib/ansible/cli/doc.py`
coll_filter = None
        if len(context.CLIARGS['args']) >= 1:
            coll_filter = context.CLIARGS['args']
            for coll_name in coll_filter:
                if not AnsibleCollectionRef.is_valid_collection_name(coll_name):
                    raise AnsibleError('Invalid collection name (must be of the form namespace.collection): {0}'.format(coll_name))
        return coll_filter
    def _list_plugins(self, plugin_type, content):
        results = {}
        self.plugins = {}
        loader = DocCLI._prep_loader(plugin_type)
        coll_filter = self._get_collection_filter()
        self.plugins.update(list_plugins(plugin_type, coll_filter))
        
        if content == 'dir':
            results = self._get_plugin_list_descriptions(loader)
        elif content == 'files':
            results = {k: self.plugins[k][0] for k in self.plugins.keys()}
        else:
            results = {k: {} for k in self.plugins.keys()}
            self.plugin_list = set()  
        return results
    def _get_plugins_docs(self, plugin_type, names, fail_ok=False, fail_on_errors=True):