Take clone stage out of Jenkinsfile

Change-Id: I995229c0f7377b4b8f9e704f8bc0b2a2c63020b6
Reviewed-on: https://git.eclipse.org/r/c/linuxtools/org.eclipse.linuxtools.eclipse-build/+/187598
Tested-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
1 file changed