Remove qrngd package

* No-op

Change-Id: I890b4229ace051d8ba2578d158106ea3c3aa2242
(cherry picked from commit dd924092f21e59016e154f8bbe92bb3c80f35d10)
Update WCNSS config

* Enable IPv6 NS offload
* Enable IPv6 RA filtering
* Disable DFS channels

Change-Id: I3c45a6edf19f955d50f8904beb13c504f4e72106
(cherry picked from commit 0961536803d331602cdf88ac8cb41a0d0ca12539)