Remove all uses of the HAVE_CONFIG_H define.

webrtc/base/opensslstreamadapter.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif  // HAVE_CONFIG_H
-
 #if HAVE_OPENSSL_SSL_H
 
 #include "webrtc/base/opensslstreamadapter.h"
 
 #include <openssl/bio.h>
 #include <openssl/crypto.h>
 #include <openssl/err.h>
 #include <openssl/rand.h>
 #include <openssl/tls1.h>
 #include <openssl/x509v3.h>
@@ skipping 1165 matching lines @@
         return true;
     }
   }
 
   return false;
 }
 
 }  // namespace rtc
 
 #endif  // HAVE_OPENSSL_SSL_H