Revert "[primTorch] Add refs for `softmax`, `softmin`, `log_softmax` (#84956)"
This reverts commit c09ca93e4733fdf0183433114dda2fc30a846700.
Reverted https://github.com/pytorch/pytorch/pull/84956 on behalf of https://github.com/ZainRizvi due to This is causing the MPS test test_output_match_log_softmax_with_dtype_cpu_float32 (__main__.TestConsistencyCPU) to fail
