[builtins] Remove IC_BUILTIN macros

The IC_BUILTIN and IC_BUILTIN_PARAM macro prevent code navigation and
they only avoid very simple, non-performance critical code.

Change-Id: Ic9d10a9c53a1890149d86b43a6989afae7f1d6f4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2871464Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74381}