staging: r8188eu: remove unconditional if statement

Remove if condition that is always true. It is useless and
makes the code less readable.

Signed-off-by: Marcelo Aloisio da Silva <marcelo.as@aol.com>
Link: https://lore.kernel.org/r/20220215023926.GA52339@snoopy


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