Revert "[inductor][Gemm] Autotune with matrix_instr_nonkdim for AMDGPU (#120639)"
This reverts commit 78f53a3f731ee67dcffd308519ed48a745640dde.
Reverted https://github.com/pytorch/pytorch/pull/120639 on behalf of https://github.com/izaitsevfb due to breaking ROCm ([comment](https://github.com/pytorch/pytorch/pull/120639#issuecomment-1967585568))
