chore: update changelog

Author: daphne-sfdc

packages/salesforcedx-vscode/CHANGELOG.md

@@ -1,14 +1,7 @@
 # 64.1.0 - June 18, 2025
 
-# 64.0.3 - June 15, 2025
-
 ## Fixed
 
 #### salesforcedx-vscode-apex
 
-- We fixed an issue so that the "Rename Symbol (F2)" function in Visual Studio Code now correctly renames symbols in an Apex file. Thank you [Pawel Wozniak](https://github.com/PawelWozniak) for creating the issue.
- ([Issue #5613](https://github.com/forcedotcom/salesforcedx-vscode/issues/5613)) ([PR #6351](https://github.com/forcedotcom/salesforcedx-vscode/pull/6351))
-
-#### salesforcedx-vscode-core
-
-- We added support for the `ContentTypeBundle` metadata type in the Org Browser. You no longer need to use the CLI commands to retrieve this type. ([PR #6348](https://github.com/forcedotcom/salesforcedx-vscode/pull/6348))
+- We made some changes under the hood. ([#6353](https://github.com/forcedotcom/salesforcedx-vscode/issues/6353))