TinyMCE: remove the numbers (2-6) after the headings in the drop-down. These are previews for the actual styling of headings in the editor.

See #27159.
Built from https://develop.svn.wordpress.org/trunk@38939


git-svn-id: http://core.svn.wordpress.org/trunk@38882 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/tinymce/plugins/wordpress/plugin.js

@@ -578,6 +578,12 @@ tinymce.PluginManager.add( 'wordpress', function( editor ) {
 					each( listbox.settings.values, function( item ) {
 						if ( item.text && labels.hasOwnProperty( item.text ) ) {
 							item.shortcut = '(' + labels[ item.text ] + ')';
+
+							// Drop the numbers after the labels for headings.
+							// TinyMCE makes previews for the h1-h6. It uses the same styles that are applied in the editor body.
+							if ( item.text.indexOf( 'Heading' ) !== -1 ) {
+								item.text = 'Heading';
+							}
 						}
 					} );
 				}