CircleCI config for passing CDN url to the Docker image.

The workflows need to split since we're passing different parameters to
the Docker build at the beginning of the workflow.

config/base.ini

@@ -11,7 +11,6 @@ CRL_STORAGE_CONTAINER = crls
 CSP=mock
 DEBUG = true
 DISABLE_CRL_CHECK = false
-DISABLE_CRL_CHECK = false
 ENVIRONMENT = dev
 LIMIT_CONCURRENT_SESSIONS = false
 LOG_JSON = false