a3a9006f2c
This removes the support for instrumentation from the inferrer and merges the local and top level inferrer, whose only difference was whether instrumentation was enabled or not. The instrumentation system hasn't be updated for a long time and no longer carries its weight. Change-Id: If999aff8ca302164a60b3c44d8b31595306c7042 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/451261 Reviewed-by: Chloe Stefantsova <cstefantsova@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>