fix changelog

Author: Trivo25

CHANGELOG.md

@@ -37,8 +37,7 @@ This project adheres to
   strengthening build integrity.
 - Added a framework to test for cache regressions in circuit compilation
   artefacts across versions.
-- Updated proof-systems submodule to a newer upstream commit.
-  https://github.com/o1-labs/o1js/pull/2624
+
 
 ## [2.10.0](https://github.com/o1-labs/o1js/compare/114acff...3453d1e53) - 2025-09-27