Update release notes

Author: josevalim

CHANGELOG.md

@@ -32,7 +32,7 @@ Even though the `+` operator works with both integers and floats, Elixir infers
 
 ### Acknowledgements
 
-The type system was made possible thanks to a partnership between [CNRS](https://www.cnrs.fr/) and [Remote](https://remote.com/). The development work is currently sponsored by [Fresha](https://www.fresha.com/), [Starfish*](https://starfish.team/), and [Dashbit](https://dashbit.co/).
+The type system was made possible thanks to a partnership between [CNRS](https://www.cnrs.fr/) and [Remote](https://remote.com/). The development work is currently sponsored by [Fresha](https://www.fresha.com/) and [Dashbit](https://dashbit.co/).
 
 ## v1.20.0-dev
 

RELEASE.md

@@ -12,13 +12,6 @@
 
 2. Ensure /CHANGELOG.md is updated, versioned and add the current date
 
-   - If this release addresses any publicly known security vulnerabilities with
-     assigned CVEs, add a "Security" section to `CHANGELOG.md`. For example:
-     ```md
-     ## Security
-     - Fixed CVE-2025-00000: Description of the vulnerability
-     ```
-
 3. Update "Compatibility and Deprecations" if a new OTP version is supported
 
 4. Commit changes above with title "Release vVERSION" and push it