Fix style in config schema

docs/reference-manual/native-image/assets/resource-config-schema-v1.1.0.json

@@ -148,11 +148,8 @@
       "title": "List of resource bundles that should be registered"
     }
   },
-  "required": [
-
-  ],
   "additionalProperties": false,
   "type": "object",
   "title": "JSON schema for the resource-config that GraalVM Native Image uses",
   "description": "Native Image will iterate over all resources and match their relative paths against the Java Regex specified in <includes>. If the path matches the Regex, the resource is included. The <excludes> statement instructs Native Image to omit certain included resources that match the given <pattern>"
-  }
+}