Revert of Add debug code to catch faulty interceptor (patchset #1 id:1 of https://codereview.chromium.org/2265903002/ )

Reason for revert:
found the culprit

Original issue's description:
> Add debug code to catch faulty interceptor
>
> BUG=chromium:625155
> R=jkummerow@chromium.org
>
> Committed: https://crrev.com/d181e6e1e6f95ee9c8005a2ad0fc846142dc8aad
> Cr-Commit-Position: refs/heads/master@{#38775}

TBR=jkummerow@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:625155

Review-Url: https://codereview.chromium.org/2282663002
Cr-Commit-Position: refs/heads/master@{#38929}