Description of problem:

No postgresql pod deployed for Clair if using existing database server for Quay

Version-Release number of selected component (if applicable):

registry-proxy.engineering.redhat.com/rh-osbs/quay-setup-operator:0.0.8-1

How reproducible:

Always

Steps to Reproduce:
1. Refer to https://github.com/redhat-cop/quay-operator#deploy-the-operator , deploy setup operator
2. create a quayecosystem

$cat file

spec:
  quay:
    database:
      credentialsSecretName: postgresql-account
      server: 172.30.98.48:5432
  clair:
    enabled: true
    imagePullSecretName: quay.io
    database:
      volumeSize: 3Gi

3. Check pod status

Actual results:

No postgresql pod deployed

Expected results:

Should deploy postgresql pod for Clair

Additional info: