mwifiex: remove unused radio_on variable and macros

The radio_on variable is defined but never used.

Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/mwifiex/fw.h
Simple merge

diff --cc drivers/net/wireless/mwifiex/init.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/ioctl.h
Simple merge

diff --cc drivers/net/wireless/mwifiex/main.h
Simple merge

diff --cc drivers/net/wireless/mwifiex/sta_ioctl.c
Simple merge