Remove review host dns record

Ghost User
2020-01-25T17:45:08+01:00

Closes #996

#### Previous behaviour
Steps to reproduce:
1. Run remove review CI job.
2. The DNS record is not removed.

#### New behaviour
Steps to validate that it works:
1. Run remove review CI job.
2. The DNS record is rem...

Closes #996 (closed)

Previous behaviour

Steps to reproduce:

1. Run remove review CI job.

2. The DNS record is not removed.

New behaviour

Steps to validate that it works:

1. Run remove review CI job.

2. The DNS record is removed.