staging: rtl8723bs: remove redundant statements

The bool variable is2T is true, so the if statement is redundant.
we can directly set the variable bound to 8 and remove the if
statement.

Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Link: https://lore.kernel.org/r/1605961041-12875-1-git-send-email-kaixuxia@tencent.com


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