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

ios/chrome/browser/ui/reader_mode/BUILD.gn

Index: ios/chrome/browser/ui/reader_mode/BUILD.gn
diff --git a/ios/chrome/browser/ui/reader_mode/BUILD.gn b/ios/chrome/browser/ui/reader_mode/BUILD.gn
deleted file mode 100644
index 4916f6080dac3867746f5cceee31aa801175f474..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/reader_mode/BUILD.gn
+++ /dev/null
@@ -1,31 +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("reader_mode") {
-  sources = [
-    "reader_mode_checker.h",
-    "reader_mode_checker.mm",
-    "reader_mode_controller.h",
-    "reader_mode_controller.mm",
-    "reader_mode_infobar_delegate.h",
-    "reader_mode_infobar_delegate.mm",
-    "reader_mode_view.h",
-    "reader_mode_view.mm",
-  ]
-  deps = [
-    "//base",
-    "//components/dom_distiller/core",
-    "//components/infobars/core",
-    "//components/resources",
-    "//ios/chrome/browser/browser_state",
-    "//ios/chrome/browser/dom_distiller",
-    "//ios/chrome/browser/infobars",
-    "//ios/chrome/browser/ui/material_components",
-    "//ios/third_party/material_components_ios",
-    "//ios/web",
-    "//ui/base",
-    "//url",
-  ]
-  libs = [ "UIKit.framework" ]
-}