This reverts commit 957ac364.

Reason for revert: Breaks roll (crbug.com/v8/7388)

Original change's description:
> [turbofan] disable indirect jumps in Turbofan generated switches
> 
> Bug: 
> Change-Id: I326bf518f895e7c030376210e7797f3dd4a9ae1f
> Reviewed-on: https://chromium-review.googlesource.com/873643
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#50984}

TBR=jarin@chromium.org,tebbi@chromium.org

Change-Id: Id2546e722179e6d8f2f102ce02fb18d696a79764
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/894385Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50995}