SamsungQualcommRIL: kill off some old code

Change-Id: I9784c99e0ac82d6982f5240e2576fce6a7c1e1b6
SamsungQualcommRIL: skip setCdmaSubscriptionSource if CDMA_SUBSCRIPTION_MODE is null

Change-Id: I9784c99e0ac82d6982f5240e2576fce6a7c1e1bf
SamsungQualcommRIL: Create 2 more app for nv type of subscription.

A proper patch for http://review.cyanogenmod.org/#/c/48388/

Change-Id: I42e3ec88452239a6b953dff0e636a8c2e5dbf958