Update script to clean up files

scripts/merge-yaml.js

@@ -52,9 +52,9 @@ function sortAndMergeYAMLFiles() {
             console.error("Error writing codes.yaml", err)
         }
 
-        // Remove any files created by dgp2
+        // Remove any new files
         files.forEach(file => {
-            if (file.startsWith('auto-')) {
+            if (file !== 'codes.yaml') {
                 fs.unlinkSync(directoryPath + file);
                 console.log(`Deleted file: ${file}`);
             }