Update Dockerfile

Deleted scripts/zookeeper/entrypoint.sh, scripts/zookeeper/postunpack.sh, scripts/zookeeper/run.sh, scripts/zookeeper/setup.sh, scripts/libbitnami.sh, scripts/libcomponent.sh, scripts/libfile.sh, scripts/libfs.sh, scripts/libhook.sh, scripts/liblog.sh, scripts/libnet.sh, scripts/libos.sh, scripts/libpersistence.sh, scripts/libservice.sh, scripts/libvalidations.sh, scripts/libversion.sh, scripts/libwebserver.sh, scripts/libzookeeper.sh