remove unused dep (#727)

Author: gurgunday

package.json

@@ -54,7 +54,6 @@
     "@fastify/merge-json-schemas": "^0.1.1",
     "ajv": "^8.12.0",
     "ajv-formats": "^3.0.1",
-    "fast-deep-equal": "^3.1.3",
     "fast-uri": "^2.3.0",
     "json-schema-ref-resolver": "^1.0.1",
     "rfdc": "^1.2.0"