Relanding: Removing #defines previously used for building without BoringSSL/OpenSSL.

webrtc/base/sslconfig.h

Index: webrtc/base/sslconfig.h
diff --git a/webrtc/base/sslconfig.h b/webrtc/base/sslconfig.h
deleted file mode 100644
index 6aabad07a82555eaab7f38b5285b683a7e30a93c..0000000000000000000000000000000000000000
--- a/webrtc/base/sslconfig.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  Copyright 2012 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.
- */
-
-#ifndef WEBRTC_BASE_SSLCONFIG_H_
-#define WEBRTC_BASE_SSLCONFIG_H_
-
-// If no preference has been indicated, default to SChannel on Windows and
-// OpenSSL everywhere else, if it is available.
-#if !defined(SSL_USE_SCHANNEL) && !defined(SSL_USE_OPENSSL)
-#if defined(WEBRTC_WIN)
-
-#define SSL_USE_SCHANNEL 1
-
-#else  // defined(WEBRTC_WIN)
-
-#if defined(HAVE_OPENSSL_SSL_H)
-#define SSL_USE_OPENSSL 1
-#endif
-
-#endif  // !defined(WEBRTC_WIN)
-#endif
-
-#endif  // WEBRTC_BASE_SSLCONFIG_H_