Revert "Add button to page info to revoke user certificate decisions."
Speculatively reverting because the CL may be causing the find_bugs
step on the Android builder to fail
http://build.chromium.org/p/chromium.linux/builders/Android%20Builder%20%28dbg%29/builds/63828/steps/findbugs/logs/stdio
TBR=jww
NOTRY=TRUE
Review URL: https://codereview.chromium.org/
469003004
Cr-Commit-Position: refs/heads/master@{#289353}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289353 0039d316-1c4b-4281-b951-d872f2087c98