Revert "Connect to GCE metadata by IP not name"
Revert "Connect to GCE metadata by IP not name"

This reverts commit 192f84944120bed9099a59e42b6fb43155cc0f6c.

chef/ohai,mattray/ohai,higanworks/ohai,mattray/ohai,jaymzh/ohai,higanworks/ohai,chef/ohai,jaymzh/ohai