update changelog

Author: akaladarshi

CHANGELOG.md

@@ -37,7 +37,6 @@
 ### Changed
 
 - [#5467](https://github.com/ChainSafe/forest/pull/5467) Improve error message for `Filecoin.EthEstimateGas` and `Filecoin.EthCall`.
-- [#5587](https://github.com/ChainSafe/forest/pull/5587) Retrieve state root from child tipset rather than recomputing when possible
 
 ### Removed