Remove STATE_TRUNCATE_CACHED_METADATA from HttpCache::Transaction

The "cached metadata" concept is no longer used in the loading path.
Remove it from the source code.

Bug: None
Change-Id: I9f176c088c0ab1ca5624cc7161136a2df19d11b2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2805738
Reviewed-by: Maksim Orlovich <morlovich@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#870393}
GitOrigin-RevId: 9f93ebb3aa8234b821b8452057c1b6b7cafd64c9
2 files changed