fix theme in IE8 and IE9

core/css/fixes.css

@@ -64,11 +64,6 @@ select {
 	visibility: hidden;
 }
 
-/* fix installation screen rendering issue for IE8+9 */
-.lte9 #body-login {
-	height: auto !important;
-}
-
 /* oc-dialog only uses box shadow which is not supported by ie8 */
 .ie8 .oc-dialog {
 	border: 1px solid #888888;