jflte: restore pre-unification vzw home operator prop

jfltevzw's default.prop set ro.cdma.home.operator.numeric to 311480
jflte's unified init sets the prop to 310004 for phones formerly known as jfltevzw.

Change-Id: I3c3a5e6c6783cc31c931b4699b9d2456a69b1e8e
jflte: remove network_mode.xml overlay

Change-Id: Id528397699df45a1efcd983d4f196e3638225e5a
Merge branch 'cm' into HEAD