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

ios/chrome/browser/ui/collection_view/cells/BUILD.gn

Index: ios/chrome/browser/ui/collection_view/cells/BUILD.gn
diff --git a/ios/chrome/browser/ui/collection_view/cells/BUILD.gn b/ios/chrome/browser/ui/collection_view/cells/BUILD.gn
deleted file mode 100644
index e6e8c32bcce855ed0731907ff65e0edfed435e18..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/collection_view/cells/BUILD.gn
+++ /dev/null
@@ -1,72 +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.
-
-source_set("cells") {
-  sources = [
-    "MDCCollectionViewCell+Chrome.h",
-    "MDCCollectionViewCell+Chrome.mm",
-    "activity_indicator_cell.h",
-    "activity_indicator_cell.mm",
-    "collection_view_account_item.h",
-    "collection_view_account_item.mm",
-    "collection_view_detail_item.h",
-    "collection_view_detail_item.mm",
-    "collection_view_footer_item.h",
-    "collection_view_footer_item.mm",
-    "collection_view_item.h",
-    "collection_view_item.mm",
-    "collection_view_switch_item.h",
-    "collection_view_switch_item.mm",
-    "collection_view_text_item.h",
-    "collection_view_text_item.mm",
-  ]
-
-  deps = [
-    "//base",
-    "//ios/chrome/app/strings",
-    "//ios/chrome/browser/ui/colors",
-    "//ios/chrome/browser/ui/material_components",
-    "//ios/chrome/browser/ui/util",
-    "//ios/chrome/common",
-    "//ios/third_party/material_roboto_font_loader_ios",
-    "//ui/base",
-    "//url",
-  ]
-  public_deps = [
-    "//ios/third_party/material_components_ios",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}
-
-source_set("test_support") {
-  testonly = true
-  sources = [
-    "test_utils.h",
-    "test_utils.mm",
-  ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "MDCCollectionViewCell+Chrome_unittest.mm",
-    "activity_indicator_cell_unittest.mm",
-    "collection_view_account_item_unittest.mm",
-    "collection_view_detail_item_unittest.mm",
-    "collection_view_footer_item_unittest.mm",
-    "collection_view_item_unittest.mm",
-    "collection_view_switch_item_unittest.mm",
-    "collection_view_text_item_unittest.mm",
-  ]
-
-  deps = [
-    ":cells",
-    ":test_support",
-    "//ios/third_party/material_components_ios",
-    "//testing/gtest",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}