Do not use docker registry creds

as the proxy defined in the docker daemon should apply here anyway

Author: marko-bekhta

Jenkinsfile

@@ -119,16 +119,12 @@ stage('Build') {
 									state[buildEnv.tag]['containerName'] = "edb"
 									break;
 								case "sybase_jconn":
-									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('nguoianphu/docker-sybase').pull()
-									}
+									docker.image('nguoianphu/docker-sybase').pull()
 									sh "./docker_db.sh sybase"
 									state[buildEnv.tag]['containerName'] = "sybase"
 									break;
 								case "cockroachdb":
-									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('cockroachdb/cockroach:v23.1.12').pull()
-									}
+									docker.image('cockroachdb/cockroach:v23.1.12').pull()
 									sh "./docker_db.sh cockroachdb"
 									state[buildEnv.tag]['containerName'] = "cockroach"
 									break;

ci/jpa-3.1-tck.Jenkinsfile

@@ -43,9 +43,7 @@ pipeline {
                 stage('Build') {
                     steps {
                         script {
-                            docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-                                docker.image('openjdk:11-jdk').pull()
-                            }
+                            docker.image('openjdk:11-jdk').pull()
                         }
                         dir('hibernate') {
                             checkout scm