Remove unused parameter (#3858)

Summary:
This PR removes the unused parameter.

Pull Request resolved: https://github.com/pytorch/executorch/pull/3858

Test Plan:
Imported from GitHub, without a `Test Plan:` line.

```
sh test/run_oss_cpp_tests.sh ./extension/runner_util/test/
buck2 test fbcode//executorch/extension/runner_util/test:managed_tensor_test
```

Reviewed By: larryliu0820

Differential Revision: D58209941

Pulled By: helunwencser

fbshipit-source-id: 962798285ebc651e01908cfab541ab2199f0e0db