[web] Cleanup redundant language version comments

- Files in the SDK are already opted into null safety.
- Files in the packages are already opted into null safety via
  the pubspecs.
- in_sync_test.dart was opted out but required no changes to
  migrate.

Change-Id: Ic9334824de1b22c879e962f488e1fa8021017710
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/246058
Reviewed-by: Mayank Patke <fishythefish@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>
This commit is contained in:
Nicholas Shahan 2022-05-26 20:19:09 +00:00 committed by Commit Bot
parent 2af13524dd
commit 4fc7567c22
9 changed files with 0 additions and 18 deletions

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@ -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.
// @dart=2.12
/// Contains error codes that transformed async/async* functions use to
/// communicate with js_helper functions.

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// 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.
// @dart=2.12
/// Contains the names of globals that are embedded into the output by the
/// compiler.
///

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// 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.
// @dart = 2.9
/// Test to verify that this package is in-sync with dart2js runtime libraries.
import 'dart:io';

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// 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.
// @dart=2.12
/// A 'Universe' object used by 'dart:_rti'.
const RTI_UNIVERSE = 'typeUniverse';

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@ -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.
// @dart=2.12
/// Constants and predicates used for encoding and decoding type recipes.
///
/// This library is synchronized between the compiler and the runtime system.

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@ -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.
// @dart=2.12
/// Contains error codes that transformed async/async* functions use to
/// communicate with js_helper functions.

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@ -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.
// @dart=2.12
/// Contains the names of globals that are embedded into the output by the
/// compiler.
///

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@ -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.
// @dart=2.12
/// A 'Universe' object used by 'dart:_rti'.
const RTI_UNIVERSE = 'typeUniverse';

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@ -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.
// @dart=2.12
/// Constants and predicates used for encoding and decoding type recipes.
///
/// This library is synchronized between the compiler and the runtime system.