-m fixed bug with STI and different type shapes that don't require kind discrimination

src/validator/rules/extensible.rs

@@ -24,9 +24,6 @@ impl<'a> ValidationContext<'a> {
 
     if let Some(obj) = self.instance.as_object() {
       for key in obj.keys() {
-        if key == "type" || key == "kind" {
-          continue; // Reserved keywords implicitly allowed
-        }
         if !result.evaluated_keys.contains(key) && !self.overrides.contains(key) {
           result.errors.push(ValidationError {
             code: "STRICT_PROPERTY_VIOLATION".to_string(),