Update CHANGELOG by removing sections

Removed the 'What's Changed' section and the 'Unreleased' section from the CHANGELOG.

Author: RomarQ

CHANGELOG.md

@@ -4,15 +4,6 @@ All notable changes to this project will be documented in this file.
 
 ## [1.1.1] - 2026-03-18
 
-## What's Changed
-* fix: default features promotion by @RomarQ in https://github.com/RomarQ/cargo-workspace-inheritance-check/pull/9
-
-
-**Full Changelog**: https://github.com/RomarQ/cargo-workspace-inheritance-check/compare/v1.1.0...v1.1.1
-
-
-## [Unreleased]
-
 ### Fixed
 
 - `--fix` now propagates `default-features = false` to `[workspace.dependencies]` when promoting a dependency that any member uses with `default-features = false`. Without this, Cargo silently ignores the member-level setting (pre-2024 edition) or raises a hard error (2024 edition).