chore: update CHANGELOG.v2.alpha.md

Author: kumvprat

CHANGELOG.v2.alpha.md

@@ -4,23 +4,9 @@ All notable changes to this project will be documented in this file. See [standa
 
 ## [2.200.0-alpha.0](https://github.com/aws/aws-cdk/compare/v2.199.0-alpha.0...v2.200.0-alpha.0) (2025-06-02)
 
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 ### Features
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-* **ec2:** implement `IPeer` to `PrefixList` to be usable as a connection peer ([#33617](https://github.com/aws/aws-cdk/issues/33617)) ([c277419](https://github.com/aws/aws-cdk/commit/c277419f3931ab50f757844323863b25be875d96)), closes [#33607](https://github.com/aws/aws-cdk/issues/33607)
-* **ec2:** support Firehose `IDeliveryStream` as flow log destination ([#33883](https://github.com/aws/aws-cdk/issues/33883)) ([48da341](https://github.com/aws/aws-cdk/commit/48da341bf0894666fd4254d85bcc1ba9807ae8d9)), closes [#33757](https://github.com/aws/aws-cdk/issues/33757)
 * **msk:** support Kafka 4.0 ([#34501](https://github.com/aws/aws-cdk/issues/34501)) ([aa40e38](https://github.com/aws/aws-cdk/commit/aa40e382ddd585f027febcc994a8e32491bf37c1))
 
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-### Bug Fixes
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-* **ec2:** validate throughput property on EC2 instance block devices ([#34571](https://github.com/aws/aws-cdk/issues/34571)) ([b31580a](https://github.com/aws/aws-cdk/commit/b31580a202aea30b8657988daaa232283053e856)), closes [#34033](https://github.com/aws/aws-cdk/issues/34033)
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-
-### Reverts
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-* **ec2:** support Firehose `IDeliveryStream` as flow log destination ([#34592](https://github.com/aws/aws-cdk/issues/34592)) ([e27cd2c](https://github.com/aws/aws-cdk/commit/e27cd2ca60d8249cb122c1be525ee9db6a4cfd7d)), closes [aws/aws-cdk#33883](https://github.com/aws/aws-cdk/issues/33883)
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 ## [2.199.0-alpha.0](https://github.com/aws/aws-cdk/compare/v2.198.0-alpha.0...v2.199.0-alpha.0) (2025-05-27)