Remove warning messages

:Release Notes:
Remove warning messages

:Detailed Notes:
N/A
:Testing Performed:
Tested on TV with NFS
cat /var/log/messages | grep activitymanager

:QA Notes:
:Issues Addressed:

[GF-45506] Activitymanager is throwing multiple duplicate warning messages after settings launch

Open-webOS-DCO-1.0-Signed-off-by: Oleksandr Solomakha <oleksander.solomakha@lge.com>

Change-Id: Idb18d57ba1d935f1bc3c755e67d680ad3777b9ee
Reviewed-on: https://g2g.palm.com/3855
Reviewed-by: Build Verification
Reviewed-by: Olexandr Solomakha <oleksander.solomakha@lge.com>
Tested-by: Olexandr Solomakha <oleksander.solomakha@lge.com>
Reviewed-by: Alan Levi <alan.levi@lge.com>