Revert "[reland] Call jit decomposition in VariableType to increase forward AD coverage (#84151) (#84675)"
This reverts commit bb4e96c9644a034e593085026b781ee78a4d6a77.
Reverted https://github.com/pytorch/pytorch/pull/84675 on behalf of https://github.com/osalpekar due to causing asan xplat link-time errors like ld.lld: error: undefined symbol: torch::jit::has_jit_decomposition(c10::FunctionSchema const&)
