Revert "Use native async/await support in pub."

sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart b/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
similarity index 72%
copy from sdk/lib/_internal/pub/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
index a37133f61110fe2845011422a680b0ec087c84ea..6c471b8671984b86a4115c6f4cd93ebd45ccd220 100644
--- a/sdk/lib/_internal/pub/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
@@ -11,36 +11,28 @@ import 'utils.dart';
 main() {
   initConfig();
   integration("removes all binstubs for package", () {
-    d.dir("foo", [
-      d.pubspec({
+    d.dir("foo", [d.pubspec({
         "name": "foo",
         "executables": {
           "foo": null
         }
       }),
-      d.dir("bin", [
-        d.file("foo.dart", "main() => print('ok');")
-      ])
-    ]).create();
+          d.dir("bin", [d.file("foo.dart", "main() => print('ok');")])]).create();
 
     // Create the binstub for foo.
     schedulePub(args: ["global", "activate", "--source", "path", "../foo"]);
 
     // Remove it from the pubspec.
-    d.dir("foo", [
-      d.pubspec({
+    d.dir("foo", [d.pubspec({
         "name": "foo"
-      })
-    ]).create();
+      })]).create();
 
     // Deactivate.
     schedulePub(args: ["global", "deactivate", "foo"]);
 
     // It should still be deleted.
-    d.dir(cachePath, [
-      d.dir("bin", [
-        d.nothing(binStubName("foo"))
-      ])
-    ]).validate();
+    d.dir(
+        cachePath,
+        [d.dir("bin", [d.nothing(binStubName("foo"))])]).validate();
   });
 }