This reverts commit a229e121.

Reason for revert: Breaks a layout test:
https://ci.chromium.org/buildbot/client.v8.fyi/V8-Blink%20Linux%2064/24021
fast/js/constructor-length.html

See also:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original change's description:
> [builtins] set DataView.length to 1
> 
> Refs: https://github.com/tc39/ecma262/pull/1131
> Test: test262/built-ins/DataView/length
> Bug: v8:7816
> Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
> Change-Id: I66a06734bd32cd2043a8d04728b2185f6093bd69
> Reviewed-on: https://chromium-review.googlesource.com/1094980
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53649}

TBR=gsathya@chromium.org,joyee@igalia.com

Change-Id: Iaa602a40bd09dec6884f5f56b1f010b59c19b32a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7816
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/1097275Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53669}