Clean up artifacts from installing ghost
Clean up artifacts from installing ghost

kdelfour/tryghost-docker,ukoinobita/ghost,ahmedelnably/ghost-on-azure,yxwzaxns/aong-ghost,cuibty/ghost,yxwzaxns/aong-ghost,ukoinobita/ghost,vegasbrianc/ghost,infosiftr/ghost,docker-library/ghost