Update CHANGELOG.md

Author: JeffreyCA

cli/azd/CHANGELOG.md

@@ -22,8 +22,7 @@
 - [[#6527]](https://github.com/Azure/azure-dev/pull/6527) Fix Azure DocumentDB (mongoClusters) resources not being displayed in provisioning output.
 - [[#6517]](https://github.com/Azure/azure-dev/pull/6517) Fix panic on middleware construction failure when loading invalid configuration files.
 - [[#6536]](https://github.com/Azure/azure-dev/pull/6536) Fix context cancellation issue causing subsequent operations to fail after command steps complete.
-- [[#6593]](https://github.com/Azure/azure-dev/pull/6593) Fix AI extensions not ensuring GitHub CLI is installed before proceeding.
-- [[#6588]](https://github.com/Azure/azure-dev/pull/6588) Improve error messages for authentication errors by including suggestions to run `azd auth login`.
+- [[#6588]](https://github.com/Azure/azure-dev/pull/6588) Improve extension error messages by including error suggestion text.
 
 ### Other Changes