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

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

Index: ios/chrome/browser/ui/alert_coordinator/BUILD.gn
diff --git a/ios/chrome/browser/ui/alert_coordinator/BUILD.gn b/ios/chrome/browser/ui/alert_coordinator/BUILD.gn
index 78049b0f9046312654ba8a3874155d7606510d55..ba5bab4ec6949af321a8b43e435e90e2d39fc1a1 100644
--- a/ios/chrome/browser/ui/alert_coordinator/BUILD.gn
+++ b/ios/chrome/browser/ui/alert_coordinator/BUILD.gn
@@ -37,40 +37,3 @@
     "//ui/strings",
   ]
 }
-
-source_set("alert_coordinator_internal") {
-  sources = [
-    "loading_alert_coordinator.h",
-    "loading_alert_coordinator.mm",
-  ]
-  deps = [
-    "//base",
-    "//components/strings",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser/ui",
-    "//ios/chrome/browser/ui/material_components",
-    "//ios/third_party/material_components_ios",
-    "//ios/third_party/material_roboto_font_loader_ios",
-    "//ui/base",
-  ]
-  libs = [ "UIKit.framework" ]
-}
-
-source_set("eg_tests") {
-  testonly = true
-  sources = [
-    "alert_coordinator_egtest.mm",
-  ]
-  deps = [
-    "//base",
-    "//components/strings",
-    "//ios/chrome/browser/ui/alert_coordinator",
-    "//ios/chrome/test/earl_grey:test_support",
-    "//ios/testing/earl_grey:earl_grey_support",
-    "//ios/third_party/earl_grey",
-  ]
-  libs = [
-    "UIKit.framework",
-    "XCTest.framework",
-  ]
-}