Fix duplicate 1.8.0 notes

Signed-off-by: NateD-MSFT <34494373+NateD-MSFT@users.noreply.github.com>

Author: NateD-MSFT

CHANGELOG.md

@@ -21,13 +21,3 @@ All notable changes to this project will be documented in this file.
  - CHANGELOG.md
 ### Changed
  - ExtendedDeprecatedApis.ql moved from recommended.qls to mustfix.qls
-### Fixed
- 
-## [1.8.0] - 2025-07-17
-
-### Added
- - CHANGELOG.md
-### Changed
- - ExtendedDeprecatedApis.ql moved from recommended.qls to mustfix.qls
-### Fixed
-