This reverts commit 0fe7a6cf.

Reason for revert: Causing tree to fail: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20debug/31566

Original change's description:
> [csa][cleanup] Remove ParameterMode/TNodify IntPtrOrSmiConstant
> 
> Bug: v8:9708, v8:6949
> Change-Id: I0a17eab689d8297218af92658bf5e63d34c94dfc
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2356387
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69435}

TBR=rmcilroy@chromium.org,solanes@chromium.org

Change-Id: Ie816bffee696bb03cf26e195405f0fe8509dd0f3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:9708
Bug: v8:6949
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2360048Reviewed-by: Francis McCabe <fgm@chromium.org>
Commit-Queue: Francis McCabe <fgm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69437}