refactor: remove openai pacakge

Author: prafull-opensignlabs

apps/OpenSignServer/package-lock.json

@@ -35,7 +35,6 @@
     "node-forge": "^1.3.1",
     "node-signpdf": "^1.5.1",
     "nodemailer": "^6.9.7",
-    "openai": "^4.8.0",
     "parse": "4.1.0",
     "parse-dbtool": "^1.2.0",
     "parse-server": "6.3.1",