apns: remove default- and dun-types for Verizon MMS 31x/48x

Remove the default- and dun-types set on the Verizon MCC=31x
and MNC=48x pairs. This fixes long connection delays to
LTE and EHRPD apns.

It is based on: http://review.cyanogenmod.org/#/c/61711/

Change-Id: Ib39c601cb3610ff972db3849dfc96542f75f5761
Add HTC One M7 Verizon & Sprint

Change-Id: I2b566db73e2ffde4befe4d6f0a2f63c49de774b2
Signed-off-by: houst0nn <houstonn@gmail.com>
Merge remote-tracking branch 'legacy/kitkat' into kitkat
DAT 4.2 Beta 5

http://weknowmemes.com/wp-content/uploads/2011/10/dat-ass-meme.jpg

Signed-off-by: ayysir <dresadd09691@gmail.com>