staging: rtl8723bs: Remove unnecessary blank lines

Remove multiple blank lines in
drivers/staging/rtl8723bs/core/rtw_mlme.c.
Issues reported by checkpatch.pl as:
CHECK: Please don't use multiple blank lines

Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Link: https://lore.kernel.org/r/50abec172689dfa413437589745032d678b82d04.1570712632.git.wambui.karugax@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>