Fix pyre issue following D70084542

Differential Revision: D70136275

Pull Request resolved: #8658

Author: wdvr

backends/vulkan/serialization/vulkan_graph_builder.py

@@ -267,7 +267,6 @@ def get_or_create_value_for(self, arg: _Argument):
         elif isinstance(arg, list) and isinstance(arg[0], Node):
             return self.create_value_list_value(arg)
         elif isinstance(arg, torch.fx.immutable_collections.immutable_list):
-            # pyre-ignore[6]
             return self.create_value_list_value(arg)
         elif isinstance(arg, str):
             return self.create_string_value(arg)