Revert declaration of maven tool to unbreak sshagent step in I-build#1728

HannesWell merged 1 commit intoeclipse-platform:mastereclipse-platform/eclipse.platform.releng.aggregator:masterfrom

HannesWell:revert-maven-tool-in-iBuildsHannesWell/eclipse.platform.releng.aggregator:revert-maven-tool-in-iBuildsCopy head branch name to clipboard