Enable Meta and Nav Menu widgets in Legacy Widget block

Allows users to insert a Meta or Nav Menu widget using the Legacy Widget block,
as there is not yet a block equivalent for the Meta and Nav Menu widgets.

Fixes #53301.
Props celloexpressions, andraganescu.


git-svn-id: https://develop.svn.wordpress.org/trunk@51067 602fd350-edb4-49c9-b593-d223f7449a82

Author: noisysocks

src/wp-includes/block-editor.php

@@ -245,15 +245,13 @@ function get_default_block_editor_settings() {
 			'media_image',
 			'media_gallery',
 			'media_video',
-			'meta',
 			'search',
 			'text',
 			'categories',
 			'recent-posts',
 			'recent-comments',
 			'rss',
 			'tag_cloud',
-			'nav_menu',
 			'custom_html',
 			'block',
 		)