Clean up infra/config/OWNERS and add new owners

* recipes.cfg no longer exists here
* jbudorick@ approves cq.cfg changes, so it'd make sense if he was an owner.
* dpranke@ should be in here too.

Bug: 
Change-Id: I6540c1f6f39c92e76abc301f67987096f50ada95
Reviewed-on: https://chromium-review.googlesource.com/899511
Commit-Queue: Ryan Tseng <hinoka@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Stephen Martinis <martiniss@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534231}

infra/config/OWNERS

-sergiyb@chromium.org
+dpranke@chromium.org
+jbudorick@chromium.org
 smut@google.com
 tandrii@chromium.org
-
-per-file recipes.cfg=recipe-roller@chromium.org
-per-file recipes.cfg=martiniss@chromium.org