update changelog

Signed-off-by: Ashwin Vaidya <[email protected]>

Author: ashwinvaidya17

CHANGELOG.md

@@ -11,6 +11,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Add `AUPIMO` tutorials notebooks in https://github.com/openvinotoolkit/anomalib/pull/2330 and https://github.com/openvinotoolkit/anomalib/pull/2336
 - Add `AUPIMO` metric by [jpcbertoldo](https://github.com/jpcbertoldo) in https://github.com/openvinotoolkit/anomalib/pull/1726 and refactored by [ashwinvaidya17](https://github.com/ashwinvaidya17) in https://github.com/openvinotoolkit/anomalib/pull/2329
 
+### Removed
+
+- Remove `RKDE` in https://github.com/openvinotoolkit/anomalib/pull/2455
+
 ### Changed
 
 ### Deprecated