staging: wilc1000: remove unnecessary always true 'if' conditions

Remove the unnecessary always true 'if' conditions and simiplifed the
logic as suggested in [1].

[1]. https://lore.kernel.org/linux-wireless/20200302092346.GA24308@kadam/



Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Link: https://lore.kernel.org/r/20200302162226.4196-3-ajay.kathat@microchip.com


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