Building docker profile logs warnings

Relates to CMS-10817
 Attempts are done to download artifacts from extinct repositories when running mvn -Pdocker.build:
 
[INFO] DOCKER> Digest: sha256:e7aed8701bf72103a723f1ed556a5be0e7f486fcbe0ef91a2a3d849c745864f6
[INFO] DOCKER> Status: Downloaded newer image for tomcat:9-jre8-slim
[INFO] DOCKER> Pulled tomcat:9-jre8-slim in 1 minute and 13 seconds
[INFO] Reading assembly descriptor: /mnt/c/dev/projects/docker/myproject/src/main/docker/assembly/distribution-docker.xml
Downloading from apache.snapshots: http://people.apache.org/repo/m2-snapshot-repository/org/onehippo/cms7/hippo-cms7-project/30.1.0-SNAPSHOT/maven-metadata.xml
Downloading from jvnet-nexus-snapshots: https://maven.java.net/content/repositories/snapshots/org/onehippo/cms7/hippo-cms7-project/30.1.0-SNAPSHOT/maven-metadata.xml
Downloading from apache-snapshots: http://people.apache.org/repo/m2-snapshot-repository/org/onehippo/cms7/hippo-cms7-project/30.1.0-SNAPSHOT/maven-metadata.xml
Downloading from codehaus-snapshots: http://snapshots.repository.codehaus.org/org/onehippo/cms7/hippo-cms7-project/30.1.0-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata org.onehippo.cms7:hippo-cms7-project:30.1.0-SNAPSHOT/maven-metadata.xml from/to codehaus-snapshots (http://snapshots.repository.codehaus.org): snapshots.repository.codehaus.org: Name or service not known
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