There is an issue when we restart zuul, that gearman information about
said nodes is lost. Revert for now, and hopefully address this in
zuulv3.
This reverts commit 2349505023.
Change-Id: I32d331f065be041cd11c71c11702be93b3d42831
Signed-off-by: Paul Belanger <pabelanger@redhat.com>