HPCC-11412 Excessive log file size in Roxie

As a temporary workaround, until we can find and fix the reason, allow the
tracing of activity reset without stop to be suppressed via traceLevel.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #5872 from richardkchapman/reset-without-stop

HPCC-11412 Excessive log file size in Roxie

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>