Revert "Use scheduled_test for Pub tests."

utils/pub/utils.dart

Index: utils/pub/utils.dart
diff --git a/utils/pub/utils.dart b/utils/pub/utils.dart
index e713e860b4f2a880cf49236ff5ee385abc101b5a..1d687f3e3c67048a5faa7a04e1fad30463803aa5 100644
--- a/utils/pub/utils.dart
+++ b/utils/pub/utils.dart
@@ -337,28 +337,3 @@ void mapAddAll(Map destination, Map source) =>
 /// replacing `+` with ` `.
 String urlDecode(String encoded) =>
   decodeUriComponent(encoded.replaceAll("+", " "));
-
-/// Takes a simple data structure (composed of [Map]s, [List]s, scalar objects,
-/// and [Future]s) and recursively resolves all the [Future]s contained within.
-/// Completes with the fully resolved structure.
-Future awaitObject(object) {
-  // Unroll nested futures.
-  if (object is Future) return object.then(awaitObject);
-  if (object is Collection) {
-    return Future.wait(object.map(awaitObject).toList());
-  }
-  if (object is! Map) return new Future.immediate(object);
-
-  var pairs = <Future<Pair>>[];
-  object.forEach((key, value) {
-    pairs.add(awaitObject(value)
-        .then((resolved) => new Pair(key, resolved)));
-  });
-  return Future.wait(pairs).then((resolvedPairs) {
-    var map = {};
-    for (var pair in resolvedPairs) {
-      map[pair.first] = pair.last;
-    }
-    return map;
-  });
-}