Update CHANGELOG.md

Author: kriswest

CHANGELOG.md

@@ -20,7 +20,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * `IntentResolution` now requires the name of the intent raised to included, allowing it to be used to determine the intent raised via `fdc3.raiseIntentForContext()`. ([#507](https://github.com/finos/FDC3/pull/507))
 * A Trademarks page was added to acknowledge trademarks used within the Standard not owned by FINOS or the Linux Foundation ([#534](https://github.com/finos/FDC3/pull/534))
 * Added details of FDC3's existing versioning and deprecation policies to the FDC3 compliance page ([#539](https://github.com/finos/FDC3/pull/539))
-* Added `IntentDeliveryFailed` to the `ResolveError` enumeration to be used when delivery of an intent and context to a targetted app or instance fails. ([#601](https://github.com/finos/FDC3/pull/601))
 * Added a new experimental features policy, which exempts features designated as experimental from the versioning and deprecation policies, to the FDC3 compliance page ([#549](https://github.com/finos/FDC3/pull/549))
 * Add `IntentDeliveryFailed` to the `ResolveError` enumeration to be used when delivery of an intent and context to a targetted app or instance fails. ([#601](https://github.com/finos/FDC3/pull/601))
 * Added a context type representing a range of time (`fdc3.timerange`). ([#706](https://github.com/finos/FDC3/pull/706))