Remove dead code from setpermissions

/sys/class/wakeup was used when we would check active_count to guess the
wakeup reason.

/sys/power/wakeup_count was a failed attempt to avoid using doas in
sxmo_wakelock.sh.

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

scripts/core/sxmo_setpermissions.sh

@@ -18,8 +18,6 @@ fi
 # users can override this in sxmo_deviceprofile_mydevice.sh
 files="${SXMO_SYS_FILES:-"/sys/power/state /sys/power/mem_sleep /dev/rtc0"}"
 
-for file in $files /sys/power/wakeup_count; do
+for file in $files; do
 	[ -e "$file" ] && chmod a+rw "$file"
 done
-
-chmod -R a+rw /sys/class/wakeup/*