CHANGELOG.md - Remove 2.0.3-snapshot and keep Unreleased

Author: adangel

CHANGELOG.md

@@ -3,7 +3,6 @@
 # PMDPlugin Changelog
 
 ## [Unreleased]
-## [2.0.3-snapshot]
 ### Added
 - Update to PMD version 7.7.0
 - Support for IntelliJ 2024.3
@@ -75,4 +74,4 @@
 
 ## [1.8.18]
 ### Changed
-- Update to PMD version 6.35.0 and optional anonymous status reporting
+- Update to PMD version 6.35.0 and optional anonymous status reporting