make: drop all system tests

pylib/gyp/generator/ninja.py

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import copy
 import hashlib
 import os.path
 import re
 import subprocess
 import sys
 import gyp
 import gyp.common
 import gyp.msvs_emulation
 import gyp.MSVSVersion
-import gyp.system_test
 import gyp.xcode_emulation
 
 from gyp.common import GetEnvironFallback
 import gyp.ninja_syntax as ninja_syntax
 
 generator_default_variables = {
   'EXECUTABLE_PREFIX': '',
   'EXECUTABLE_SUFFIX': '',
   'STATIC_LIB_PREFIX': 'lib',
   'STATIC_LIB_SUFFIX': '.a',
@@ skipping 1709 matching lines @@
 
   user_config = params.get('generator_flags', {}).get('config', None)
   if user_config:
     GenerateOutputForConfig(target_list, target_dicts, data, params,
                             user_config)
   else:
     config_names = target_dicts[target_list[0]]['configurations'].keys()
     for config_name in config_names:
       GenerateOutputForConfig(target_list, target_dicts, data, params,
                               config_name)