Also remove unused functions from dart::bin::Thread.
TEST=ci, cbuild
Change-Id: I670dbf2767662156607cbfbee4c3ba64f1ba7ab1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237765
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
TEST=none, will be cbuild
Bug: b/220994782
Change-Id: Idf1e041b4dfaab16ef6207beecad377aca659738
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237123
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>