Don't use metadata on k8s.
Don't use metadata on k8s.

This is a follow-on CL for named-fiddles.

Bug: skia:
Change-Id: Ic1e7ebf5e29ea66ae157db9ae43ee3cec1d82596
Reviewed-on: https://skia-review.googlesource.com/150001
Auto-Submit: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@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