Find7: cleanup ramdisk setup

early_boot: neither fb0 nor fb1 is a dtv panel
class_core: we use neither DMM nor do we fake bms stats
class_main: remove qmiproxy and rild1, as those are never used
qc.ril: we do not have dsds (multisim support)
qc.audio: we link audio firmware at install time
qc.post_boot: set power settings in init.find7.rc instead
qc.usb: set usb settings in init.find7.usb.rc instead
Find7: hardcode platform and serialno for syspart_fixup script
Find7: remove redundant init scripts
Find7: disable ATFWD daemon
Find7: sdcard permission fixup

Credits to Omni for the script!
Find7: GPS communicates via QMI
Find7: drop a local copy of wpa_supplicant.conf

Taken from external/wpa_supplicant_v8