Changelog: Remove the superfluous entry about error reporter

Author: cameel

Changelog.md

@@ -9,7 +9,6 @@ Compiler Features:
  * Yul Optimizer: Add rule to convert `mod(mul(X, Y), A)` into `mulmod(X, Y, A)`, if `A` is a power of two.
  * Yul Optimizer: Add rule to convert `mod(add(X, Y), A)` into `addmod(X, Y, A)`, if `A` is a power of two.
  * Code Generator: More efficient code for checked addition and subtraction.
- * Error Reporter: More readable and informative error/warning messages.
 
 Bugfixes:
  * Commandline Interface: Disallow the following options outside of the compiler mode: ``--via-ir``,``--metadata-literal``, ``--metadata-hash``, ``--model-checker-show-unproved``, ``--model-checker-div-mod-no-slacks``, ``--model-checker-engine``, ``--model-checker-invariants``, ``--model-checker-solvers``, ``--model-checker-timeout``, ``--model-checker-contracts``, ``--model-checker-targets``.