NaCl/GYP: remove references to prep_toolchain.

components/nacl_nonsfi.gyp

 # Copyright 2014 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': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common_untrusted.gypi',
@@ skipping 122 matching lines @@
               }],
             ],
           },
           'dependencies': [
             '../base/base_nacl.gyp:base_nacl_nonsfi',
             '../content/content_nacl_nonsfi.gyp:content_common_nacl_nonsfi',
             '../ipc/ipc_nacl.gyp:ipc_nacl_nonsfi',
             '../native_client/src/nonsfi/irt/irt.gyp:nacl_sys_private',
             '../native_client/src/nonsfi/loader/loader.gyp:elf_loader',
             '../native_client/src/untrusted/nacl/nacl.gyp:nacl_lib_newlib',
-            '../native_client/tools.gyp:prep_toolchain',
             '../ppapi/ppapi_proxy_nacl.gyp:ppapi_proxy_nacl',
             '../sandbox/sandbox_nacl_nonsfi.gyp:sandbox_nacl_nonsfi',
           ],
         },
         # TODO(hidehiko): Add Non-SFI version of nacl_loader_unittests.
       ],
     }],
   ],
 }