0197beaa8e
It wasn't necessary; `List.contains` does the same thing. Also, remove the plumbing for `typeOperations`, a parameter of `_typeContains` that was not used. Change-Id: I688835512e58cb7a24336318b2006c9913c77888 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/398300 Auto-Submit: Paul Berry <paulberry@google.com> Reviewed-by: Kallen Tu <kallentu@google.com> Commit-Queue: Kallen Tu <kallentu@google.com>