Remove double accounting of builds
The "building_jobs" dictionary on pipeline managers is no longer
necessary because the object data model is sufficient to find all
of the running builds. Remove the unnecessary second list.
Some of the protections that checked that builds were in this
dictionary are also no longer needed as it is not possible to
receive a result for a build that the running Zuul did not
request since the change to use Gearman.
Change-Id: I10de7edcf8356885f5f2d2f45d7014582bcbc3cf
1 file changed