Revert "Minimize content type in resource timing"

This reverts commit b08e4411a9c8f32de1893dc9888a727e821348df.

Reason for revert: external/wpt/resource-timing/content-type-minimization.html failing on Mac12 Tests, first failure
https://ci.chromium.org/ui/p/chromium/builders/ci/Mac12%20Tests/9444/overview

Original change's description:
> Minimize content type in resource timing
>
> - Implements algorithm to minimize a supported MIME type
> - Minimize mime type before exposing the same through resource timing
> - Add WPT for minimizing mime type
>
> Bug: 1366706
> Change-Id: Ica414078d5c507fdfe4e6c20aeff8e2be63420bf
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4509283
> Reviewed-by: Yoav Weiss <[email protected]>
> Commit-Queue: Abin Paul <[email protected]>
> Cr-Commit-Position: refs/heads/main@{#1144574}

Bug: 1366706
Change-Id: I4d854d16f8a6f5f96cebf83567eee3fe592ffb22
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4537561
Owners-Override: Olga Sharonova <[email protected]>
Bot-Commit: Rubber Stamper <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1144634}