rtl8821ae: fixed defined-not-used warning

by cleaning up BT_AUTO_REPORT_ONLY_8192E_2ANT
(always set to 0, never used as constant)

halbtc8192e2ant_iswifi_status_changed was called only from the unused code

Signed-off-by: Jan Moskyto Matejka <mq@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8821ae/btcoexist/halbtc8192e2ant.c
Simple merge

diff --cc drivers/staging/rtl8821ae/btcoexist/halbtc8192e2ant.h
Simple merge