Remove unused resources from chrome/browser/resources/ssl
Also remove reader_out_of_date.html which doesn't seem to be used anymore.
BUG=
677345
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
Committed:
https://crrev.com/7c2b72a75559b02a71352c64e36054990adc5a40
Cr-Commit-Position: refs/heads/master@{#440973}