Add removal of eventStatusFromHttpCode

Author: lforst

MIGRATION.md

@@ -290,6 +290,7 @@ For our efforts to reduce bundle size of the SDK we had to remove and refactor p
 - Remove support for Opera browser pre v15.
 - Rename `UserAgent` integration to `HttpContext`. (see [#5027](https://github.com/getsentry/sentry-javascript/pull/5027))
 - Remove `SDK_NAME` export from `@sentry/browser`, `@sentry/node`, `@sentry/tracing` and `@sentry/vue` packages.
+- Removed `eventStatusFromHttpCode` to save on bundle size.
 
 ## Sentry Angular SDK Changes