Update config and fix model cache delete method (#967)

Author: VipulMascarenhas

ads/aqua/config/evaluation/evaluation_service_config.py

@@ -224,6 +224,7 @@ def search_shapes(
 
     class Config:
         extra = "ignore"
+        protected_namespaces = ()
 
 
 class EvaluationServiceConfig(Serializable):

ads/aqua/extension/model_handler.py

@@ -67,7 +67,7 @@ def read(self, model_id):
         return self.finish(AquaModelApp().get(model_id))
 
     @handle_exceptions
-    def delete(self):
+    def delete(self, id=""):
         """Handles DELETE request for clearing cache"""
         url_parse = urlparse(self.request.path)
         paths = url_parse.path.strip("/")