Revert of Add installer_util_unittests to the GN windows build

chrome/installer/test/BUILD.gn

Index: chrome/installer/test/BUILD.gn
diff --git a/chrome/installer/test/BUILD.gn b/chrome/installer/test/BUILD.gn
deleted file mode 100644
index ac4ef59bd35d8d9da9a8829cac48afbf19fa144d..0000000000000000000000000000000000000000
--- a/chrome/installer/test/BUILD.gn
+++ /dev/null
@@ -1,60 +0,0 @@
-# Copyright 2015 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.
-
-import("//testing/test.gni")
-
-assert(is_win)
-
-executable("alternate_version_generator") {
-  testonly = true
-  sources = [
-    "alternate_version_generator_main.cc",
-  ]
-
-  deps = [
-    ":alternate_version_generator_lib",
-    "//base",
-    "//base/test:test_support",
-    "//chrome/common:constants",
-    "//chrome/installer/util",
-    "//testing/gtest",
-  ]
-}
-
-source_set("alternate_version_generator_lib") {
-  testonly = true
-  sources = [
-    "alternate_version_generator.cc",
-    "alternate_version_generator.h",
-    "pe_image_resources.cc",
-    "pe_image_resources.h",
-    "resource_loader.cc",
-    "resource_loader.h",
-    "resource_updater.cc",
-    "resource_updater.h",
-  ]
-  deps = [
-    "//base",
-    "//chrome/installer/util",
-    "//chrome/common:constants",
-  ]
-}
-
-test("upgrade_test") {
-  sources = [
-    "run_all_tests.cc",
-    "upgrade_test.cc",
-  ]
-  deps = [
-    ":alternate_version_generator_lib",
-    "//base",
-    "//base/test:test_support",
-    "//chrome/common:constants",
-    "//chrome/installer/util",
-    "//testing/gtest",
-  ]
-  data_deps = [
-    # 'mini_installer.gyp:mini_installer',  TODO(GYP)
-  ]
-}