HPCC-11987 Improve cli usage description for --no-files and --daliip

Signed-off-by: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Merge pull request #6480 from afishbeck/noFilesUsageDesc

HPCC-11987 Improve cli usage description for --no-files and --daliip

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>