usb: musb: musb_gadget.c: Remove unused variable

Remove unused variable status from musb_gadget_disable().

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20191002143241.GA11615@saurav


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