Revert "Spanify install modes"

This reverts commit fb6d8a20025fe848289be4bc90fca3610a944109.

Reason for revert: Causing compile failures on win-chrome builder. See https://ci.chromium.org/ui/p/chrome/builders/ci/win-chrome/36349/overview.

Original change's description:
> Spanify install modes
>
> Updating kInstallModes to use a container and enabling any unsafe buffer
> checks that are fully fixed from this change.
>
> Low-Coverage-Reason: TRIVIAL_CHANGE
> Bug: 40285824
> Cq-Include-Trybots: luci.chrome.try:win-branded-compile-rel
> Change-Id: Ibcffdb4664e969d93a397d3a5c9adf9cb90ac6c2
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6306124
> Reviewed-by: Stanley Hon <stahon@microsoft.com>
> Commit-Queue: Hoch Hochkeppel <mhochk@microsoft.com>
> Reviewed-by: Greg Thompson <grt@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1429625}

Bug: 40285824
Cq-Include-Trybots: luci.chrome.try:win-branded-compile-rel
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: Ic0ef31af09e17928616e7693ede8fc218aae10ed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6336970
Commit-Queue: Adithya Srinivasan <adithyas@chromium.org>
Owners-Override: Adithya Srinivasan <adithyas@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1429699}