Since 2e48928d8a0f38c1b5c81eb3f1294de8a6382c68 it's no longer possible to set
the name of the LED trigger for RFKILL events. Drop respective code from tosa-bt.c
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: John W. Linville <linville@tuxdriver.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>