This reverts commit 5a71f1585875a9ef80b79d9f247d1e21319a17d6. Reason for revert: Turns out all the tests are running on all the shards. Original change's description: > Run iOS tests on multiple shards. > > Bug: b/230824012 > Change-Id: I6d27a8ed2c07eb76972b3bbe3679f6346ba58e06 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261306 > Reviewed-by: Christoffer Jansson <jansson@webrtc.org> > Commit-Queue: Jeremy Leconte <jleconte@google.com> > Cr-Commit-Position: refs/heads/main@{#36796} Bug: b/230824012 Change-Id: Id353501f07156ccc109abf94e6d2a22014a5e767 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261562 Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Christoffer Jansson <jansson@webrtc.org> Commit-Queue: Jeremy Leconte <jleconte@google.com> Cr-Commit-Position: refs/heads/main@{#36807}