m7spr: use HTC CDMA RIL class

Change-Id: If773ba3786524f6903e109120c22ff362a8f0ec7
m7spr: Change to HTCQualcommRil class.

remove duplicate ril class override.

Change-Id: Iea9b4d6389c2b6f20c0280e802587dbafab08518

Conflicts:

	device.mk