refactor: remove @openid4vc/utils

Author: sloops77

packages/openid4vc/package.json

@@ -25,7 +25,6 @@
   },
   "dependencies": {
     "@credo-ts/core": "workspace:*",
-    "@openid4vc/utils": "0.2.0",
     "@sphereon/did-auth-siop": "0.16.1-fix.173",
     "@sphereon/oid4vc-common": "0.16.1-fix.173",
     "@sphereon/ssi-types": "0.30.2-next.135",