Revert "Add quota usage details tests for all other storage backends."

This reverts commit 548e7b5e622ad79155ff95ef26738d7a40fe9397.

Reason for revert: external/wpt/storage/estimate-usage-details-service-workers.https.tentative.window.html fails on Mac 10.13: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac10.13%20Tests%20(dbg)/7315

Original change's description:
> Add quota usage details tests for all other storage backends.
> 
> IndexedDB test was included in parent CL.
> 
> Bug: 904000
> Test: 
> Change-Id: Icc3462f13d0dce0197a8ec54f22d5ad794a51292
> Reviewed-on: https://chromium-review.googlesource.com/c/1334659
> Reviewed-by: Victor Costan <pwnall@chromium.org>
> Reviewed-by: Joshua Bell <jsbell@chromium.org>
> Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#616398}

TBR=jsbell@chromium.org,pwnall@chromium.org,jarrydg@chromium.org

Change-Id: Ibd83c1931cea3df81950eedcd4169585a68259ca
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 904000
Reviewed-on: https://chromium-review.googlesource.com/c/1377417
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616638}
6 files changed