Media library: Revert [31582], as it introduces navigation difficulties for many users.

see #30333.


git-svn-id: https://develop.svn.wordpress.org/trunk@31692 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/js/media.js

@@ -72,13 +72,7 @@ var findPosts;
 	};
 
 	$( document ).ready( function() {
-		var settings,
-			$mediaGridWrap = $( '#wp-media-grid' ),
-			$form = $( '#posts-filter' );
-
-		$form.find( 'select' ).on( 'change', function () {
-			$form.submit();
-		} );
+		var settings, $mediaGridWrap = $( '#wp-media-grid' );
 
 		// Open up a manage media frame into the grid.
 		if ( $mediaGridWrap.length && window.wp && window.wp.media ) {