Removed NativeAppNavigationController and related code

ios/chrome/browser/native_app_launcher/BUILD.gn

Index: ios/chrome/browser/native_app_launcher/BUILD.gn
diff --git a/ios/chrome/browser/native_app_launcher/BUILD.gn b/ios/chrome/browser/native_app_launcher/BUILD.gn
index c502fc336177896ea10443dbe16a7b8162ca3d39..48f7e4137045fac24b9bb8828affbc6132c942fc 100644
--- a/ios/chrome/browser/native_app_launcher/BUILD.gn
+++ b/ios/chrome/browser/native_app_launcher/BUILD.gn
@@ -48,65 +48,3 @@ source_set("unit_tests") {
     "//url",
   ]
 }
-
-source_set("native_app_launcher_internal") {
-  configs += [ "//build/config/compiler:enable_arc" ]
-  sources = [
-    "native_app_navigation_controller.h",
-    "native_app_navigation_controller.mm",
-    "native_app_navigation_util.h",
-    "native_app_navigation_util.mm",
-  ]
-  deps = [
-    ":native_app_launcher",
-    "//base",
-    "//components/image_fetcher/ios",
-    "//components/infobars/core",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser/infobars",
-    "//ios/chrome/browser/net",
-    "//ios/chrome/browser/store_kit",
-    "//ios/chrome/browser/tabs",
-    "//ios/chrome/browser/web:web",
-    "//ios/public/provider/chrome/browser",
-    "//ios/public/provider/chrome/browser/native_app_launcher",
-    "//ios/public/provider/chrome/browser/signin",
-    "//ios/public/provider/chrome/browser/ui",
-    "//ios/web",
-    "//net",
-    "//ui/base",
-    "//url",
-  ]
-  libs = [ "StoreKit.framework" ]
-}
-
-source_set("unit_tests_internal") {
-  configs += [ "//build/config/compiler:enable_arc" ]
-  testonly = true
-  sources = [
-    "native_app_navigation_controller_unittest.mm",
-    "native_app_navigation_util_unittest.mm",
-  ]
-  deps = [
-    ":native_app_launcher",
-    ":native_app_launcher_internal",
-    "//base",
-    "//base/test:test_support",
-    "//components/infobars/core",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser/infobars:infobars",
-    "//ios/chrome/browser/web:test_support",
-    "//ios/chrome/test:test_support",
-    "//ios/public/provider/chrome/browser",
-    "//ios/public/provider/chrome/browser:test_support",
-    "//ios/public/provider/chrome/browser/native_app_launcher:test_support",
-    "//ios/public/provider/chrome/browser/signin:test_support",
-    "//ios/web",
-    "//ios/web/public/test/fakes",
-    "//net:test_support",
-    "//testing/gmock",
-    "//testing/gtest",
-    "//ui/base",
-    "//url",
-  ]
-}