Remove subdomains from segurosocial.gov, socialsecurity.gov, and ssa.gov HSTS preload entries.

Reason given: "The problem is that many of our *intranet* sites are not HTTPS, and we are seeing issues in our rollout."

BUG=527947
TBR=agl@chromium.org

Review URL: https://codereview.chromium.org/1407063007

Cr-Commit-Position: refs/heads/master@{#357692}
2 files changed