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

ios/chrome/browser/payments/cells/BUILD.gn

-# 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 = [
-    "order_summary_line_item.h",
-    "order_summary_line_item.mm",
-    "order_summary_total_item.h",
-    "order_summary_total_item.mm",
-    "page_info_item.h",
-    "page_info_item.mm",
-    "payment_method_item.h",
-    "payment_method_item.mm",
-    "shipping_address_item.h",
-    "shipping_address_item.mm",
-  ]
-
-  deps = [
-    "//ios/chrome/browser/ui/collection_view/cells",
-    "//ios/third_party/material_components_ios",
-    "//ios/third_party/material_roboto_font_loader_ios",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "page_info_item_unittest.mm",
-    "payment_method_item_unittest.mm",
-  ]
-
-  deps = [
-    ":cells",
-    "//ios/chrome/browser/ui/collection_view/cells:test_support",
-    "//ios/third_party/material_components_ios",
-    "//testing/gtest",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}