Submit the form when setting items per page option so it's visible straight away

git-svn-id: http://svn.automattic.com/wordpress/trunk@10987 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/common.dev.js

@@ -116,34 +116,6 @@ columns = {
 
 $(document).ready(function(){columns.init();});
 
-screenOptions = {
-	init : function() {
-		$('.screen-per-page').change(function() {
-			var option = this.id, value = parseInt($(this).val(), 10);
-			if ( isNaN(value) ) {
-				$(this).val('');
-				return;
-			}
-			screenOptions.save_screen_option(option, value);
-		}).parents('form').submit(function(e) {
-			e.preventDefault();
-			return false;
-		});
-	},
-
-	save_screen_option : function (option, value) {
-		$.post(ajaxurl, {
-			action: 'set-screen-option',
-			option: option,
-			value: value,
-			screenoptionnonce: $('#screenoptionnonce').val(),
-			page: pagenow
-		});
-	}
-}
-
-$(document).ready(function(){screenOptions.init();});
-
 })(jQuery);
 
 // stub for doing better warnings