Remove explicit unnecessary variable init
Remove explicit unnecessary variable init

Change-Id: Ia66731ea8c64ac0eda5fb2853350b1ade0136133

chialiang-8/cloudbase-init,alexpilotti/cloudbase-init,cmin764/cloudbase-init,ader1990/cloudbase-init,openstack/cloudbase-init,stefan-caraiman/cloudbase-init,stackforge/cloudbase-init