remove unneeded css ref

index.html

@@ -28,9 +28,7 @@
 		-->
 		<meta http-equiv="X-UA-Compatible" content="chrome=1">
 		<title>Remix - Solidity IDE</title>
-		<link rel="stylesheet" href="assets/css/styles.css">
 		<link rel="stylesheet" href="assets/css/pygment_trac.css">
-		<link rel="stylesheet" href="assets/css/browser-solidity.css">
 		<link rel="stylesheet" href="assets/css/font-awesome.min.css">
 		<link rel="icon" type="x-icon" href="icon.png">
 		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">