Update CHANGELOG.md (#5685)

### Description
<!-- What changed and why? -->

#### Issues
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* resolves: #1234
* resolves: LIN-1234
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#### Reminders
- Please add tests to validate your changes, and lint your code using
`tox -e linters`.
- Add GH Issue ID _&_ Linear ID (if applicable)
- PR title should use [conventional
commit](https://develop.sentry.dev/engineering-practices/commit-messages/#type)
style (`feat:`, `fix:`, `ref:`, `meta:`)
- For external contributors:
[CONTRIBUTING.md](https://github.com/getsentry/sentry-python/blob/master/CONTRIBUTING.md),
[Sentry SDK development docs](https://develop.sentry.dev/sdk/), [Discord
community](https://discord.gg/Ww9hbqr)

Author: sentrivana

CHANGELOG.md

@@ -49,12 +49,6 @@
 - Stream valid JSON by @alexander-alderman-webb in [#5641](https://github.com/getsentry/sentry-python/pull/5641)
 - Stop mocking response iterator by @alexander-alderman-webb in [#5573](https://github.com/getsentry/sentry-python/pull/5573)
 
-#### Docs
-
-- Remove agentic codebase documentation workflows by @dingsdax in [#5655](https://github.com/getsentry/sentry-python/pull/5655)
-- Switch agentic workflows from Copilot to Claude engine by @dingsdax in [#5654](https://github.com/getsentry/sentry-python/pull/5654)
-- Add agentic workflows for codebase documentation by @dingsdax in [#5649](https://github.com/getsentry/sentry-python/pull/5649)
-
 #### Openai Agents
 
 - Do not fail on new tool fields by @alexander-alderman-webb in [#5625](https://github.com/getsentry/sentry-python/pull/5625)