revert unrelated change

Author: David Eigen

clarifai/runners/server.py

@@ -70,11 +70,7 @@ def main():
 
   builder = ModelBuilder(parsed_args.model_path)
 
-  try:
-    model = builder.create_model_instance()
-  except Exception as e:
-    logger.exception("Error creating model instance")
-    model = builder.create_error_model_instance(e)
+  model = builder.create_model_instance()
 
   # Setup the grpc server for local development.
   if parsed_args.grpc: