[Modify] Polish it

websocket-sharp/Ext.cs

@@ -706,10 +706,11 @@ namespace WebSocketSharp
       return buff;
     }
 
-    internal static byte[] ReadBytes (this Stream stream, long length, int bufferLength)
+    internal static byte[] ReadBytes (
+      this Stream stream, long length, int bufferLength
+    )
     {
       using (var dest = new MemoryStream ()) {
-        try {
         var buff = new byte[bufferLength];
         var nread = 0;
         while (length > 0) {
@@ -723,9 +724,6 @@ namespace WebSocketSharp
           dest.Write (buff, 0, nread);
           length -= nread;
         }
-        }
-        catch {
-        }
 
         dest.Close ();
         return dest.ToArray ();