m7-common: remove extraneous proprietary files
m7-common: update proprietary libs to Google Edition

HTC version: 2.14.1700.15

Conflicts:
	m7att/proprietary/bin/efsks
	m7att/proprietary/bin/qcks
	m7att/proprietary/lib/libril-qc-qmi-1.so
	m7att/proprietary/lib/libril-qcril-hook-oem.so
	m7tmo/proprietary/bin/efsks
	m7tmo/proprietary/bin/qcks
	m7tmo/proprietary/lib/libril-qc-qmi-1.so
	m7tmo/proprietary/lib/libril-qcril-hook-oem.so