chore: remove unused jsonschema dependency

Author: fabiovincenzi

package-lock.json

@@ -59,7 +59,6 @@
     "express-session": "^1.18.2",
     "history": "5.3.0",
     "isomorphic-git": "^1.32.2",
-    "jsonschema": "^1.5.0",
     "jsonwebtoken": "^9.0.2",
     "jwk-to-pem": "^2.0.7",
     "load-plugin": "^6.0.3",