BZ #1106517 - Fix file_line changes to horizon.

https://bugzilla.redhat.com/show_bug.cgi?id=1106517

The port configuration has now been fix in horizon puppet module, so we no
longer need to carry these changes.
Merge pull request #256 from jguiditta/horizon_http_fix

BZ #1106517 -Fix file_line changes to horizon.