Re-enable optimizers (#90709)
Fixes
https://github.com/pytorch/pytorch/issues/90165
https://github.com/pytorch/torchdynamo/issues/328
Re-enables optimizer capture + compilation now that the dynamo slowdowns have been fixed
and it has speedups, numbers to come soon
Pull Request resolved: https://github.com/pytorch/pytorch/pull/90709
Approved by: https://github.com/anijain2305, https://github.com/jansel, https://github.com/yanboliang
