This reverts commit 0802e2b2.

Reason for revert: For reverting https://crrev.com/c/945408

Original change's description:
> [esnext] fix OOB read in ASTPrinter::VisistTemplateLiteral
> 
> Fixes an error where TemplateLiteral printing in --print-ast
> would try to read an element beyond the length of a vector.
> 
> BUG=v8:7415, chromium:820596
> R=​adamk@chromium.org, gsathya@chromium.org
> 
> Change-Id: Idf9e0da8c165ee62bc1a348a91c2ed5ed798404a
> Reviewed-on: https://chromium-review.googlesource.com/957883
> Reviewed-by: Adam Klein <adamk@chromium.org>
> Commit-Queue: Caitlin Potter <caitp@igalia.com>
> Cr-Commit-Position: refs/heads/master@{#51857}

TBR=adamk@chromium.org,gsathya@chromium.org,caitp@igalia.com

Change-Id: I5fe950cd823ae350b5f6c09227a62aef9dc2a008
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7415, chromium:820596
Reviewed-on: https://chromium-review.googlesource.com/957724Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51861}