fix all instances of "the the"

sdk/lib/io/http.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 /**
  * HTTP status codes.
  */
 abstract class HttpStatus {
@@ skipping 1642 matching lines @@
    * is [:null:], the bad certificate is rejected, as if the callback
    * returned [:false:]
    *
    * If the callback returns true, the secure connection is accepted and the
    * [:Future<HttpClientRequest>:] that was returned from the call making the
    * request completes with a valid HttpRequest object. If the callback returns
    * false, the [:Future<HttpClientRequest>:] completes with an exception.
    *
    * If a bad certificate is received on a connection attempt, the library calls
    * the function that was the value of badCertificateCallback at the time
-   * the the request is made, even if the value of badCertificateCallback
+   * the request is made, even if the value of badCertificateCallback
    * has changed since then.
    */
   set badCertificateCallback(bool callback(X509Certificate cert,
                                            String host,
                                            int port));
 
   /**
    * Shutdown the HTTP client. If [force] is [:false:] (the default)
    * the [:HttpClient:] will be kept alive until all active
    * connections are done. If [force] is [:true:] any active
@@ skipping 350 matching lines @@
 class RedirectException implements HttpException {
   final String message;
   final List<RedirectInfo> redirects;
 
   const RedirectException(this.message, this.redirects);
 
   String toString() => "RedirectException: $message";
 
   Uri get uri => redirects.last.location;
 }