[Jit] Fix schema of aten::split int[] version (#69745)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69745
Missed in D31935573 (https://github.com/pytorch/pytorch/commit/6b44e75f6bccca7acc8ec31a635f1175c265ac54).
Reviewed By: d1jang
Differential Revision: D31889867
fbshipit-source-id: 417bd0b15db4891dbd641b35a803553f11d0d756
