Remove default Gutenberg blocks from editor (because simplicity)

snippet.php

<?php

add_filter( 'allowed_block_types', 'lit_allow_these_block_types' );
function lit_allow_these_block_types( $allowed_blocks ) {
    
    // Below is the array of blocks that ARE allowed, so comment out to remove from the editor.
 
	return array(
		'core/image',
		'core/paragraph',
		'core/heading',
		'core/list',
		'core/gallery',
		'core/list',
		'core/quote',
		'core/audio',
		'core/cover',
		//'core/file',
		//'core/video',

		'core/table',
		//'core/verse',
		//'core/code',
		'core/freeform' ,
		//'core/html',
		//'core/preformatted',
		'core/pullquote',

		'core/button',
		'core/text-columns',
		'core/media-text',
		'core/more',
		//'core/nextpage',
		'core/separator',
		'core/spacer',


		'core/shortcode',
		//'core/archives',
		'core/categories',
	       //'core/latest-comments',
		//'core/latest-posts',

	       /* 'core/embed',
		'core-embed/twitter',
		'core-embed/youtube',
		'core-embed/facebook',
		'core-embed/instagram',
		'core-embed/wordpress',
		'core-embed/soundcloud',
		'core-embed/spotify',
		'core-embed/flickr',
		'core-embed/vimeo',
		'core-embed/animoto',
		'core-embed/cloudup',
		'core-embed/collegehumor',
		'core-embed/dailymotion',
		'core-embed/funnyordie',
		'core-embed/hulu',
		'core-embed/imgur',
		'core-embed/issuu',
		'core-embed/kickstarter',
		'core-embed/meetup-com',
		'core-embed/mixcloud',
		'core-embed/photobucket',
		'core-embed/polldaddy',
		'core-embed/reddit',
		'core-embed/reverbnation',
		'core-embed/screencast',
		'core-embed/scribd',
		'core-embed/slideshare',
		'core-embed/smugmug',
		'core-embed/speaker',
		'core-embed/ted',
		'core-embed/tumblr',
		'core-embed/videopress',
		'core-embed/wordpress-tv',

		'acf/your-custom-block',*/
	);
        
}