This drops the support for manually groking the files in sysfs
to turn on and off the WLAN and BT for Compal laptops in favor
of platform rfkill support.

It has been combined into a single patch to not introduce regressions
in the process of simply adding rfkill support
Signed-off-by: NMario Limonciello <Mario_Limonciello@Dell.com>
Signed-off-by: NTim Gardner <tim.gardner@canonical.com>
Signed-off-by: NMatthew Garrett <mjg@redhat.com>
Cc: Cezary Jackiewicz <cezary.jackiewicz@gmail.com>