[zanata/zanata-scripts] 2acc20: Remove defaultLabel

[GitHub]

  Branch: refs/heads/ZNTA-1803-maven-release-pipeline
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 2acc20c0ec7f813e6ff38f88282f9b71adb0dc59
      https://github.com/zanata/zanata-scripts/commit/2acc20c0ec7f813e6ff38f88282f9b71adb0dc59
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2017-11-21 (Tue, 21 Nov 2017)

  Changed paths:
    M jenkins/maven-Jenkinsfile

  Log Message:
  -----------
  Remove defaultLabel