tree 6b55b9b67917eeb513bcd49c8b31b1e4eb5ad3a4
parent 83607564ead146675c27bb2f312fa204fba914f4
author Paul Berry <paulberry@google.com> 1557765481 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1557765481 +0000

Remove the old constraint variable based nullability migration logic.

Change-Id: I4fe2836160acf5adfd805a327616880f857e9b7a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102387
Reviewed-by: Dan Rubel <danrubel@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>