staging: rtl8723bs: remove unnecessary return value from func

staging: rtl8723bs: remove unnecessary return value from func

Function init_hw_mlme_ext() always returns '_SUCCESS', regardless of the
result of it's work. Remove this unnecessary return and change function
type to 'void' to simplify the code. Additionally, fix the line length
exceeding 100 columns.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Reviewed-by: Ethan Tidmore <ethantidmore06@gmail.com>
Link: https://patch.msgid.link/20260304183438.25228-1-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>