Revert of Upstream Chrome on iOS source code [11/11].

ios/chrome/app/startup/BUILD.gn

Index: ios/chrome/app/startup/BUILD.gn
diff --git a/ios/chrome/app/startup/BUILD.gn b/ios/chrome/app/startup/BUILD.gn
deleted file mode 100644
index f99be35f64a86a4613d30c5b82f226b68b51999c..0000000000000000000000000000000000000000
--- a/ios/chrome/app/startup/BUILD.gn
+++ /dev/null
@@ -1,41 +0,0 @@
-# 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.
-
-import("//ios/public/provider/chrome/browser/build_config.gni")
-
-source_set("startup") {
-  sources = [
-    "chrome_main_starter.h",
-    "chrome_main_starter.mm",
-    "client_registration.h",
-    "client_registration.mm",
-    "ios_chrome_main.h",
-    "ios_chrome_main.mm",
-    "ios_chrome_main_delegate.h",
-    "ios_chrome_main_delegate.mm",
-    "network_stack_setup.h",
-    "network_stack_setup.mm",
-    "provider_registration.h",
-    "provider_registration.mm",
-    "register_experimental_settings.h",
-    "register_experimental_settings.mm",
-    "setup_debugging.h",
-    "setup_debugging.mm",
-  ]
-
-  deps = [
-    "//base",
-    "//components/crash/core/common",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser:browser_internal",
-    "//ios/chrome/browser/web",
-    "//ios/chrome/browser/web:web_internal",
-    "//ios/net",
-    "//ios/public/provider/chrome/browser",
-    "//ios/web",
-    "//ios/web/public/app",
-    "//skia",
-    ios_provider_target,
-  ]
-}