remove all the version requirements from blueocean-executor since its defined in the parent pom (#1923)
remove all the version requirements from blueocean-executor since its defined in the parent pom (#1923)


jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin