Update CHANGELOG.md

Author: stefanosiano

CHANGELOG.md

@@ -40,11 +40,6 @@
 
 ### Internal
 
-- Added `platform` to SentryEnvelopeItemHeader ([#4287](https://github.com/getsentry/sentry-java/pull/4287))
-  - Set `android` platform to ProfileChunk envelope item header
-
-### Internal
-
 - Added `platform` to SentryEnvelopeItemHeader ([#4287](https://github.com/getsentry/sentry-java/pull/4287))
   - Set `android` platform to ProfileChunk envelope item header