Revert "[BRP] Enable check_raw_ptr_fields for LaCrOS"

This reverts commit 6205122df1ba995fa14dc79a2a7e59f8a24df2aa.

Reason for revert: Suspicious about the compile failure:
https://logs.chromium.org/logs/chromium/buildbucket/cr-buildbucket/8777890105415583745/+/u/compile/stdout
https://ci.chromium.org/ui/p/chromium/builders/ci/linux-lacros-dbg/23299/overview

Original change's description:
> [BRP] Enable check_raw_ptr_fields for LaCrOS
>
> Bug: 1273182
> Change-Id: I45138cf7858c718bae7d6a24e57167195882c176
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4617708
> Reviewed-by: Keishi Hattori <keishi@chromium.org>
> Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
> Commit-Queue: Mikihito Matsuura <mikt@google.com>
> Cr-Commit-Position: refs/heads/main@{#1159451}

Bug: 1273182
Change-Id: I96299e7e649c45e35fef4ff57e6ec8b43f6d2696
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4624192
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Owners-Override: Yuki Shiino <yukishiino@chromium.org>
Auto-Submit: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1159455}