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

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

Index: sdk/lib/_internal/pub_generated/test/global/binstubs/removes_when_deactivated_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/binstubs/removes_when_deactivated_test.dart b/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_when_deactivated_test.dart
similarity index 63%
copy from sdk/lib/_internal/pub/test/global/binstubs/removes_when_deactivated_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/binstubs/removes_when_deactivated_test.dart
index 5580a53b47b0c107b5e0fd01fc051c78980eea31..10bee756cedf0ea816c2e3418ddad373bc1b816b 100644
--- a/sdk/lib/_internal/pub/test/global/binstubs/removes_when_deactivated_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_when_deactivated_test.dart
@@ -17,22 +17,23 @@ main() {
           "one": null,
           "two": null
         }
-      }, contents: [
-        d.dir("bin", [
-          d.file("one.dart", "main(args) => print('one');"),
-          d.file("two.dart", "main(args) => print('two');")
-        ])
-      ]);
+      },
+          contents: [
+              d.dir(
+                  "bin",
+                  [
+                      d.file("one.dart", "main(args) => print('one');"),
+                      d.file("two.dart", "main(args) => print('two');")])]);
     });
 
     schedulePub(args: ["global", "activate", "foo"]);
     schedulePub(args: ["global", "deactivate", "foo"]);
 
-    d.dir(cachePath, [
-      d.dir("bin", [
-        d.nothing(binStubName("one")),
-        d.nothing(binStubName("two"))
-      ])
-    ]).validate();
+    d.dir(
+        cachePath,
+        [
+            d.dir(
+                "bin",
+                [d.nothing(binStubName("one")), d.nothing(binStubName("two"))])]).validate();
   });
 }