Rename recipes: swarm_[name] -> [name]

Bug: skia:6473
Change-Id: Id78f0b5cb50ae2243b9a5aed8e552f7ed8202228
Reviewed-on: https://skia-review.googlesource.com/12060
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Ravi Mistry <rmistry@google.com>
38 files changed