[BE] Do not use `numpy` in `torch._inductor.codegen.cpp` (#109324)
`s/numpy.iinfo(numpy.int32)/torch.iinfo(torch.int32)/` as those two are interchangeable
Partially addresses https://github.com/pytorch/pytorch/issues/109387
Pull Request resolved: https://github.com/pytorch/pytorch/pull/109324
Approved by: https://github.com/albanD
