Updated openstack/openstack
Project: openstack/heat  70c36b9afade0ca547f565806a7a5478c1d69f56

Refactor AWS::EC2::Instance delete handling

Refactor instance to use the nova_utils delete function.

Closes-Bug: #1329453
Change-Id: Ie84fb3c5c9f6381e4eea3a5e99d62266a8abd023