Revert "Add meta kernel coverage for aten.unsafe_split, aten.unsafe_chunk (#92608)"
This reverts commit 4386f317b92a400cabc6a25b5849466475eec1a9.
Reverted https://github.com/pytorch/pytorch/pull/92608 on behalf of https://github.com/ZainRizvi due to test_aot_autograd_symbolic_exhaustive_unsafe_split_cpu_float32 (__main__.TestEagerFusionOpInfoCPU) is failing consistently since this PR was merged
