Remove use_openssl from webrtc

webrtc/build/isolate.gypi

 # Copyright (c) 2013 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.
 
 # Copied from Chromium's src/build/isolate.gypi
 #
@@ skipping 89 matching lines @@
           'internal_gles2_conform_tests=<(internal_gles2_conform_tests)',
         '--config-variable', 'kasko=<(kasko)',
         '--config-variable', 'lsan=<(lsan)',
         '--config-variable', 'msan=<(msan)',
         '--config-variable', 'target_arch=<(target_arch)',
         '--config-variable', 'tsan=<(tsan)',
         '--config-variable', 'use_custom_libcxx=<(use_custom_libcxx)',
         '--config-variable', 'use_instrumented_libraries=<(use_instrumented_libraries)',
         '--config-variable',
         'use_prebuilt_instrumented_libraries=<(use_prebuilt_instrumented_libraries)',
-        '--config-variable', 'use_openssl=<(use_openssl)',
         '--config-variable', 'use_ozone=<(use_ozone)',
         '--config-variable', 'use_x11=<(use_x11)',
         '--config-variable', 'v8_use_external_startup_data=<(v8_use_external_startup_data)',
       ],
       'conditions': [
         # Note: When gyp merges lists, it appends them to the old value.
         ['OS=="mac"', {
           'action': [
             '--extra-variable', 'mac_product_name=<(mac_product_name)',
           ],
@@ skipping 13 matching lines @@
           ],
         }, {
           'action': [
             '--config-variable', 'msvs_version=0',
           ],
         }],
       ],
     },
   ],
 }