Simplify uuid test

The relevant jsonschema-rs bug was fixed long ago

Author: GREsau

schemars/tests/integration/snapshots/schemars/tests/integration/uuid.rs~uuid.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://json-schema.org/draft/2019-09/schema",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Uuid",
   "type": "string",
   "format": "uuid"

schemars/tests/integration/uuid.rs

@@ -1,11 +1,9 @@
 use crate::prelude::*;
-use schemars::generate::SchemaSettings;
 use uuid1::Uuid;
 
 #[test]
 fn uuid() {
-    // Must run with draft 2019-09 due to https://github.com/Stranger6667/jsonschema-rs/issues/456
-    test!(Uuid, SchemaSettings::draft2019_09())
+    test!(Uuid)
         .assert_snapshot()
         .assert_allows_ser_roundtrip([Uuid::nil(), Uuid::max(), Uuid::from_u128(1234567890)])
         .assert_matches_de_roundtrip(arbitrary_values());