This reverts commit 214ef26d.

Reason for revert: gcc bots are failing https://crbug.com/v8/12248

Original change's description:
> Reland "[DEPS] Add abseil to deps"
>
> This is a reland of 3c49308a
>
> Original change's description:
> > [DEPS] Add abseil to deps
> >
> > Add a dependency on the chromium abseil-cpp subdir mirror.
> >
> > Bug: v8:11006
> > Change-Id: Icaad757269d27c65bc368ed539f84c5bb79ee62d
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2464940
> > Commit-Queue: Leszek Swirski <leszeks@chromium.org>
> > Reviewed-by: Yang Guo <yangguo@chromium.org>
> > Reviewed-by: Victor Gomes <victorgomes@chromium.org>
> > Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#70786}
>
> Bug: v8:11006
> Change-Id: I2befd2eadd11d485eee47c68119d93be9a3e1655
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2504257
> Commit-Queue: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Adam Klein <adamk@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Victor Gomes <victorgomes@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#76897}

Bug: v8:11006
Change-Id: Icdc7ed108a49fa33a0233a1af8ba8e4d9daadfd8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3191392Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77132}