Remove changelog entry for bugfix [#46300]

[zzak]

We usually only put features / major changes in the changelog

ref: #46879 (comment)

Also mentioned here:
https://edgeguides.rubyonrails.org/contributing_to_ruby_on_rails.html#updating-the-changelog

You should add an entry to the top of the CHANGELOG of the framework you modified if you're adding or removing a feature, or adding deprecation notices. Refactorings, minor bug fixes, and documentation changes generally should not go to the CHANGELOG.