quick fix to hide the licenses directory #792

Job	Run time
eessi_container_script (listrepos_custom)	2m 38s
eessi_container_script (container)	2m 47s
eessi_container_script (shell)	2m 53s
eessi_container_script (resume)	3m 7s
eessi_container_script (exec)	2m 30s
eessi_container_script (listrepos_default)	2m 10s
eessi_container_script (unionfs)	2m 25s
eessi_container_script (help)	1m 36s
eessi_container_script (run)	2m 22s
eessi_container_script (no_cvmfs_mounts)	2m 34s
	25m 2s

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