Customizer: Remove the 'appearance' reference from permission error messages added in [33857], [33889], and [33902].

Props Frozzare.
Fixes #36466.
Built from https://develop.svn.wordpress.org/trunk@37197


git-svn-id: http://core.svn.wordpress.org/trunk@37163 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/script-loader.php

@@ -443,7 +443,7 @@ function wp_default_scripts( &$scripts ) {
 		'cancel'             => __( 'Cancel' ),
 		'close'              => __( 'Close' ),
 		'cheatin'            => __( 'Cheatin’ uh?' ),
-		'notAllowed'         => __( 'You are not allowed to customize the appearance of this site.' ),
+		'notAllowed'         => __( 'You are not allowed to customize this site.' ),
 		'previewIframeTitle' => __( 'Site Preview' ),
 		'loginIframeTitle'   => __( 'Session expired' ),
 		'collapseSidebar'    => __( 'Collapse Sidebar' ),