skip waiting period if aws instance is already destroyed ref#191

[kasif-adnan]

Signed-off-by: kasif kadnan@progress.com

Description

We are skipping the waiting period of 300s if an instance is already destroyed

Issues Resolved

191

Check List

• [x] All tests pass. See TESTING.md for details.
• [x] New functionality includes testing.
• [ ] New functionality has been documented in the README if applicable.