staging: r8188eu: (trivial) remove a duplicate debug print

Keep the one that shows the wakeup capability.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210811201450.31366-3-martin@kaiser.cx


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