Revert "Roll V8 from 93b331071e6e to 68b99eadb5c5 (2 revisions)"

This reverts commit 62e3a45cabd37b0056a1f3ca8546af952aecb412.

Reason for revert: Suspect for consistent failure on deterministic linux bot. Most recent failure: https://ci.chromium.org/ui/p/chromium/builders/ci/Deterministic%20Linux%20(dbg)/34602/overview

Original change's description:
> Roll V8 from 93b331071e6e to 68b99eadb5c5 (2 revisions)
>
> https://chromium.googlesource.com/v8/v8.git/+log/93b331071e6e..68b99eadb5c5
>
> 2024-05-24 v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Version 12.7.118
> 2024-05-24 v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update V8 DEPS (trusted)
>
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/v8-chromium-autoroll
> Please CC liviurau@google.com,machenbach@google.com,v8-waterfall-gardener@grotations.appspotmail.com on the revert to ensure that a human
> is aware of the problem.
>
> To report a problem with the AutoRoller itself, please file a bug:
> https://issues.skia.org/issues/new?component=1389291&template=1850622
>
> Documentation for the AutoRoller is here:
> https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
>
> Cq-Include-Trybots: luci.chromium.try:linux-blink-rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:dawn-linux-x64-deps-rel
> Change-Id: If82e94bcf8e0895d2897cbd20aee6db262360cb1
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5568115
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/main@{#1305554}

Change-Id: I44c4b87bba4ccc7b800ca8ecfe2c294c9119fd33
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:dawn-linux-x64-deps-rel
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5570930
Auto-Submit: Anastasia Helfinstein <anastasi@google.com>
Owners-Override: Anastasia Helfinstein <anastasi@google.com>
Commit-Queue: Sean Maher <spvw@chromium.org>
Reviewed-by: Sean Maher <spvw@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1305810}