Remove references to an old gyp variable that's no longer supported.

content/content_shell.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
     # The "19" is so that sites that sniff for version think that this is
     # something reasonably current; the "77.34.5" is a hint that this isn't a
     # standard Chrome.
@@ skipping 768 matching lines @@
           'copies': [
             {
               'destination': '<(PRODUCT_DIR)/$(CONTENTS_FOLDER_PATH)/Resources',
               'files': [
                 '<(PRODUCT_DIR)/crash_inspector',
                 '<(PRODUCT_DIR)/crash_report_sender.app'
               ],
             },
           ],
           'conditions': [
-            ['enable_webrtc==1', {
-              'variables': {
-                'libpeer_target_type%': 'static_library',
-              },
-              'conditions': [
-                ['libpeer_target_type!="static_library"', {
-                  'copies': [{
-                   'destination': '<(PRODUCT_DIR)/$(CONTENTS_FOLDER_PATH)/Libraries',
-                   'files': [
-                      '<(PRODUCT_DIR)/libpeerconnection.so',
-                    ],
-                  }],
-                }],
-              ],
-            }],
             ['icu_use_data_file_flag==1', {
               'mac_bundle_resources': [
                 '<(PRODUCT_DIR)/icudtl.dat',
               ],
             }],
             ['v8_use_external_startup_data==1', {
               'mac_bundle_resources': [
                 '<(PRODUCT_DIR)/natives_blob.bin',
                 '<(PRODUCT_DIR)/snapshot_blob.bin',
               ],
@@ skipping 249 matching lines @@
                 '--input_symbol', '<(PRODUCT_DIR)/content_shell.exe.pdb',
                 '--destination_dir', '<(dest_dir)',
               ],
             },
           ],
         },
       ],
     }],  # OS=="win" and fastbuild==0 and target_arch=="ia32"
   ]
 }