Remove four domains from the HSTS preload list.

- ecobee.com: "I just noticed that this is actually a problem for us as we have some external sub-domains that are unable to support HTTPS at this time."
- emilstahl.dk: Has only been on the list one week; asked to be removed.
- liftcannabis.ca: "Unfortunately we found a few edge cases where HSTS is causing problems."
- mbdb.jp: https://crbug.com/580764

BUG=527947, 580764
TBR=agl@chromium.org

Review URL: https://codereview.chromium.org/1640963002

Cr-Commit-Position: refs/heads/master@{#371942}
2 files changed