USB: core: drop outdated interface-binding comment

It's been almost twenty years since USB drivers returned a data pointer
from their probe routines in order to bind to an interface.

Time to update the documentation for usb_driver_claim_interface().
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210318155406.22399-1-johan@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/core/driver.c

@@ -526,10 +526,6 @@ static int usb_unbind_interface(struct device *dev)
  * No device driver should directly modify internal usb_interface or
  * usb_device structure members.
  *
- * Few drivers should need to use this routine, since the most natural
- * way to bind to an interface is to return the private data from
- * the driver's probe() method.
- *
  * Callers must own the device lock, so driver probe() entries don't need
  * extra locking, but other call contexts may need to explicitly claim that
  * lock.