Remove a few sites from the HSTS preload list.

Bugs and reasons:

BUG=587470
spira.io: "our domain was incorrectly submited to the HSTS list in the website https://spira.io/, we want that our domain be removed as quickly as possible, because our customers are unable to access our domain"

BUG=584307
natukusa.com: "Our domain was incorrectly submited to the HSTS list in the website HSTS Preload Submission"

BUG=(none)
popcorntime.ws: "I, personally, did not ask for this, and would like to be removed, as
all subdomains are broken because we don't have a certificate for them."

BUG=527947
TBR=agl@chromium.org

Review URL: https://codereview.chromium.org/1741543003 .

Cr-Commit-Position: refs/heads/master@{#378059}
2 files changed