Revert "[vm] Check prefix.loadLibrary is called and returns before prefix members are used."

This reverts commit f049a410e5de6fbf6745606cf59735047bfadf4a.

Reason for revert: Broke reload bots.

Original change's description:
> [vm] Check prefix.loadLibrary is called and returns before prefix members are used.
>
> Not loading is actually deferred.
>
> Bug: https://github.com/dart-lang/sdk/issues/41974
> Change-Id: I62688007bd36dbcb2e8ffb4a1fd2dceb1775b1c8
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149053
> Commit-Queue: Ryan Macnak <rmacnak@google.com>
> Reviewed-by: Siva Annamalai <asiva@google.com>

TBR=rmacnak@google.com,alexmarkov@google.com,asiva@google.com

Change-Id: I923e339465fdf13199efc11a9cef4a842abebd67
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: https://github.com/dart-lang/sdk/issues/41974
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149423
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Commit-Queue: Aske Simon Christensen <askesc@google.com>

https://dart.googlesource.com/sdk/+/bbf34035dd984d7dedbcd8a53bc3c79a25b842e8
1 file changed
tree: bf32ff93605b22e917abf5f246ba57c2edfef4b3
  1. commits.json