Remove unused dart:async imports (#27)

Since Dart 2.1, Future and Stream have been exported by dart:core
dart-lang · Sep 26, 2020 · 8b3160e · 8b3160e
1 parent 18b7ca7
commit 8b3160e
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diff --git a/lib/src/descriptor.dart b/lib/src/descriptor.dart
@@ -2,8 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:async';
-
 import 'sandbox.dart';
 
 /// A declarative description of a filesystem entry.

diff --git a/lib/src/nothing_descriptor.dart b/lib/src/nothing_descriptor.dart
@@ -2,7 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:async';
 import 'dart:io';
 
 import 'package:path/path.dart' as p;