Remove duplicated wait

The is_resource_deleted should not wait for deletion.

Change-Id: Id7df39cbbd1e69290d67c91bbe3614c9d3225bde
Fix 'if' in the clear_isolated_creds

Change-Id: I7700db2ce71779e64daae2c787dbac28ce8bf613
Merge "Fix 'if' in the clear_isolated_creds"
Merge "Remove duplicated wait"