Having the web compatibility hack (allowing foo() = 1) enabled for
logical assignment was unintentional.

Browser compatibility data:
https://docs.google.com/document/d/1cGorRZ73KvQqu57tT4ahCjSLncibFMUwlkaL-XIstzI/edit?usp=sharing

Bug: v8:10372, v8:10950
Change-Id: I87f6348b75ce72ee5bd5db143f789ceeee596070
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2423721Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70105}