Upstream Reviews:
"Remove writeJSON / toJSONString from generated protocol types."
https://chromium-review.googlesource.com/c/deps/inspector_protocol/+/2013082

Also, remove builderAppendQuotedString from string-util.h in v8 since it's
unused now and it relies on the jinja template code I'm deleting.

"Upon encountering a byte that's unexpectedly not ..."
https://chromium-review.googlesource.com/c/deps/inspector_protocol/+/2013764

New Rev: a84e91f6696a0b76e1a73286c9c2765154de9889

Change-Id: I26805c47950d880b5be2cfb9bdcb41a3f51218b6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2013561Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Johannes Henkel <johannes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65940}