DevNonce clear functionality helps to remove older device
activation records from device_activation table in NS.
Using this method we can clear older or already generated device activation
records from database to prevent "DevNonce already exits" error in OTAA method
*Note: Server keeps latest 20 records in device_activation table of NS database
for manage recent device activation.
Details:
*Note: Server keeps latest 20 records in device_activation table of NS database for manage recent device activation.
Signed-off-by: SAGAR PATEL sagar.a.patel@slscorp.com