Remove Docker Registry login.

Closes #4056.

Jenkinsfile

@@ -78,7 +78,6 @@ pipeline {
 			}
 			steps {
 				script {
-					docker.withRegistry(p['docker.registry'], p['docker.credentials']) {
 					docker.image("harbor-repo.vmware.com/dockerhub-proxy-cache/springci/spring-data-with-mongodb-4.4:${p['java.main.tag']}").inside(p['docker.java.inside.basic']) {
 						sh 'mkdir -p /tmp/mongodb/db /tmp/mongodb/log'
 						sh 'mongod --setParameter transactionLifetimeLimitSeconds=90 --setParameter maxTransactionLockRequestTimeoutMillis=10000 --dbpath /tmp/mongodb/db --replSet rs0 --fork --logpath /tmp/mongodb/log/mongod.log &'
@@ -90,7 +89,6 @@ pipeline {
 				}
 			}
 		}
-		}
 
 		stage("Test other configurations") {
 			when {
@@ -112,7 +110,6 @@ pipeline {
 					}
 					steps {
 						script {
-							docker.withRegistry(p['docker.registry'], p['docker.credentials']) {
 							docker.image("harbor-repo.vmware.com/dockerhub-proxy-cache/springci/spring-data-with-mongodb-5.0:${p['java.main.tag']}").inside(p['docker.java.inside.basic']) {
 								sh 'mkdir -p /tmp/mongodb/db /tmp/mongodb/log'
 								sh 'mongod --setParameter transactionLifetimeLimitSeconds=90 --setParameter maxTransactionLockRequestTimeoutMillis=10000 --dbpath /tmp/mongodb/db --replSet rs0 --fork --logpath /tmp/mongodb/log/mongod.log &'
@@ -126,7 +123,6 @@ pipeline {
 				}
 			}
 		}
-		}
 
 		stage('Release to artifactory') {
 			when {
@@ -147,7 +143,6 @@ pipeline {
 
 			steps {
 				script {
-					docker.withRegistry(p['docker.registry'], p['docker.credentials']) {
 					docker.image(p['docker.java.main.image']).inside(p['docker.java.inside.basic']) {
 						sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/jenkins-home" ./mvnw -v'
 						sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/jenkins-home" ./mvnw -s settings.xml -Pci,artifactory ' +
@@ -163,7 +158,6 @@ pipeline {
 			}
 		}
 	}
-	}
 
 	post {
 		changed {