Administration: Remove obsolete .ac_results class references.

Core does not use the jQuery.suggest plugin since [38797].

Props afercia, hareesh-pillai, garrett-eclipse.
Fixes #40260.

git-svn-id: https://develop.svn.wordpress.org/trunk@49213 602fd350-edb4-49c9-b593-d223f7449a82

src/js/_enqueues/admin/inline-edit-post.js

@@ -420,7 +420,6 @@ window.wp = window.wp || {};
 					$error = $errorNotice.find( '.error' );
 
 				$( 'table.widefat .spinner' ).removeClass( 'is-active' );
-				$( '.ac_results' ).hide();
 
 				if (r) {
 					if ( -1 !== r.indexOf( '<tr' ) ) {
@@ -466,7 +465,6 @@ window.wp = window.wp || {};
 
 		if ( id ) {
 			$( '.spinner', $tableWideFat ).removeClass( 'is-active' );
-			$( '.ac_results' ).hide();
 
 			if ( 'bulk-edit' === id ) {
 

src/wp-admin/css/edit.css

@@ -1238,7 +1238,7 @@ p.popular-tags a {
 	display: inline-block;
 }
 
-/* Suggest.js autocomplete, no more used by core. */
+/* Back-compat styles from deprecated jQuery.suggest, see ticket #40260. */
 .ac_results {
 	display: none;
 	margin: -1px 0 0;