HPCC-12083 Remove ROXIEMM_LARGE_MEMORY_EXHAUSTED from newly merged code

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #6344 from ghalliday/issue12083b

HPCC-12083 Remove ROXIEMM_LARGE_MEMORY_EXHAUSTED from newly merged code

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>