Remove transitional parts from iOS job names

Bug: skia:
Change-Id: If19e5a956d3f10448cfe889127c2f79d9c42926e
Reviewed-on: https://skia-review.googlesource.com/17372
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Stephan Altmueller <stephana@google.com>
3 files changed