Snippet to remove post editor and add a notice to a wordpress page

wp-admin-remove-support.php

<?php

//======================================================================
// Add notice to the profile edit page
//======================================================================

add_action( 'admin_notices', 'ecs_add_post_notice' );

function ecs_add_post_notice() {

	global $post;

	if( isset( $post->post_name ) && ( $post->post_name == 'edit-profile' ) ) {
	  /* Add a notice to the edit page */
		add_action( 'edit_form_after_title', 'ecs_add_page_notice', 1 );
		/* Remove the WYSIWYG editor */
		remove_post_type_support( 'page', 'editor' );
	}	
}

function ecs_add_page_notice() {
	echo '<div class="notice notice-warning inline"><p>' . __( 'You are currently editing the profile edit page. Do not edit the title or slug of this page!', 'textdomain' ) . '</p></div>';
}