Editor: Remove "beta" label from Site Editor submenu item.

One year later, the beta phase is finally over.

Props priethor, matveb, audrasjb, hellofromtonya.
Fixes #57654.


git-svn-id: https://develop.svn.wordpress.org/trunk@55281 602fd350-edb4-49c9-b593-d223f7449a82

Author: audrasjb

src/wp-admin/menu.php

@@ -203,15 +203,7 @@
 	$submenu['themes.php'][5] = array( sprintf( __( 'Themes %s' ), $count ), $appearance_cap, 'themes.php' );
 
 if ( wp_is_block_theme() ) {
-	$submenu['themes.php'][6] = array(
-		sprintf(
-			/* translators: %s: "beta" label */
-			__( 'Editor %s' ),
-			'<span class="awaiting-mod">' . __( 'beta' ) . '</span>'
-		),
-		'edit_theme_options',
-		'site-editor.php',
-	);
+	$submenu['themes.php'][6] = array( _x( 'Editor', 'site editor menu item' ), 'edit_theme_options', 'site-editor.php' );
 }
 
 if ( ! wp_is_block_theme() && current_theme_supports( 'block-template-parts' ) ) {