[CAP] Remove DEBUG output from unit tests

Author: finkmanAtSap

ams-cap-nodejs-bookshop/package.json

@@ -18,7 +18,7 @@
     "jest": "^30.0.0"
   },
   "scripts": {
-    "jest": "DEBUG=ams npx jest",
+    "jest": "npx jest",
     "test": "npm run jest",
     "start": "cds-serve"
   },