Revert "Issue 28580. Relax instantiate to bounds."

Revert "Issue 28580. Relax instantiate to bounds."

This reverts commit ef527a9bdef02534817fcb2cada5b3d4cef34c97.

Unfortunately I have to do this because there are problems with recursion
and corresponding error reporting. I fell it is better to don't have
the feature than to have it half done :-(

R=brianwilkerson@google.com
BUG=

Committed: https://github.com/dart-lang/sdk/commit/2bf5caed4e1a11c63fc2b8541ca222e364a7093b

[Brian Wilkerson, 2017-03-22 16:15:59]

lgtm

[scheglov, 2017-03-22 16:17:14]

Description was changed from

==========
Revert "Issue 28580. Relax instantiate to bounds."

This reverts commit ef527a9bdef02534817fcb2cada5b3d4cef34c97.

Unfortunately I have to do this because there are problems with recursion
and corresponding error reporting. I fell it is better to don't have
the feature than to have it half done :-(

R=brianwilkerson@google.com
BUG=
==========

to

==========
Revert "Issue 28580. Relax instantiate to bounds."

This reverts commit ef527a9bdef02534817fcb2cada5b3d4cef34c97.

Unfortunately I have to do this because there are problems with recursion
and corresponding error reporting. I fell it is better to don't have
the feature than to have it half done :-(

R=brianwilkerson@google.com
BUG=

Committed:
https://github.com/dart-lang/sdk/commit/2bf5caed4e1a11c63fc2b8541ca222e364a7093b
==========

[scheglov, 2017-03-22 16:17:15]

Committed patchset #1 (id:1) manually as
2bf5caed4e1a11c63fc2b8541ca222e364a7093b (presubmit successful).