DELIA-24741: Removed SLAAC check so it is enabled by default.
DELIA-24741: Removed SLAAC check so it is enabled by default.

Reason for change: Based on the issues with xconf settings,
we had to enable SLAAC by default for all
the Rogers devices.
Test Procedure: Build and Verify.
Risks: Low.

Signed-off-by: plakshmin <prajwal.lakshmin@wipro.com>
(cherry picked from commit d45663ae569b469660a97ec34d4af3b5dce830e2)
(cherry picked from commit 974887e359237e9c7e9458606ba4bf7998589f9d)

Change-Id: I52c95a923361f6fa6a1607d90e8a339b64affd41

rdkcmf/rdk-sysint