HPCC-8677 Remove calls to setPasswordsFromSDS from ESP/EclWatch

When an ESP is started, memory leaks are reported due to multiple
calls to setPasswordsFromSDS(). And calling setPasswordsFromSDS()
is not a particularly secure mechanism. This fix remove the calls
from both ESP and EclWatch services.

Signed-off-by: Kevin Wang <kevin.wang@lexisnexis.com>
HPCC-8677 Change based on review comment

Signed-off-by: Kevin Wang <kevin.wang@lexisnexis.com>
Merge pull request #3902 from wangkx/remove_setPasswordsFromSDS

HPCC-8677 Fix setPasswordsFromSDS to avoid memory leaks

Reviewed-By: Jake Smith <jake.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>