staging: wfx: simplify wfx_remove_interface()

In wfx_remove_interface(), the current code differentiate AP and Station
cases. However, it is not necessary. In all cases, the only important
thing is the call to hif_reset(). We can use the same code to support
all cases.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200420160311.57323-15-Jerome.Pouiller@silabs.com


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