remove unused table sizing CSS

apps/files/css/files.css

@@ -155,8 +155,9 @@ tr:hover span.extension {
 	color: #777;
 }
 
-table tr.mouseOver td { background-color:#eee; }
-table th { height:24px; padding:0 8px; }
+table tr.mouseOver td {
+	background-color: #eee;
+}
 table th, table th a {
 	color: #999;
 }