ci: remove last linux-* refs

Author: RobPasMue

.github/workflows/docker_cleanup.yml

@@ -26,4 +26,4 @@ jobs:
       with:
         package-name: 'geometry'
         token: ${{ secrets.GITHUB_TOKEN }}
-        tags-kept: 'windows-latest, windows-latest-unstable, core-windows-latest, core-windows-latest-unstable, core-linux-latest, core-linux-latest-unstable, 24.1, 24.2, 25.1, windows-24.1, windows-24.2, windows-25.1, windows-25.2, core-windows-25.2, linux-24.1, linux-24.2, linux-25.1, core-linux-25.2'
+        tags-kept: 'windows-latest, windows-latest-unstable, core-windows-latest, core-windows-latest-unstable, core-linux-latest, core-linux-latest-unstable, 24.1, 24.2, 25.1, windows-24.1, windows-24.2, windows-25.1, windows-25.2, core-windows-25.2, core-linux-25.2'