Leasing server has been forklifted. Remove from old prometheus.yml
Leasing server has been forklifted. Remove from old prometheus.yml

Bug: skia:8248
Change-Id: Ic50d88b331bd829617178fa76fde86d6931920fc
Reviewed-on: https://skia-review.googlesource.com/147217
Reviewed-by: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot