HPCC-10485 - Remove legacy /c$ pathing

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge pull request #5176 from jakesmith/hpcc-10485

HPCC-10485 - Remove legacy /c$ pathing

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>