Remove GYP files from some smaller toplevel dirs.

chrome_elf/nt_registry/nt_registry.gyp

-# Copyright 2016 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.
-
-# The nt_registry target should only depend on functions in kernel32.
-# Please don't add dependencies on other system libraries.
-{
-  'target_defaults': {
-    # This part is shared between the two versions of the target.
-    'type': 'static_library',
-    'sources': [
-      'nt_registry.cc',
-      'nt_registry.h',
-    ],
-      'include_dirs': [
-        '../..',
-        '<(SHARED_INTERMEDIATE_DIR)',
-      ],
-    'msvs_settings': {
-      'VCLinkerTool': {
-        # Please don't add dependencies on other system libraries.
-        'AdditionalDependencies': [
-          'kernel32.lib',
-        ],
-      },
-    },
-  },
-  'conditions': [
-    ['OS=="win"', {
-      'targets': [
-        {
-          # GN version: "//chrome_elf/nt_registry",
-          'target_name': 'chrome_elf_nt_registry',
-        },
-      ],
-    }],
-    ['OS=="win" and target_arch=="ia32"', {
-      'targets': [
-        {
-          # GN version: "//chrome_elf/nt_registry",
-          'target_name': 'chrome_elf_nt_registry_nacl_win64',
-          'configurations': {
-            'Common_Base': {
-              'msvs_target_platform': 'x64',
-            },
-          },
-        },
-      ],
-    }],
-  ],
-}