USB: serial: drop unused iflag macro

Drop the RELEVANT_IFLAG() macro which essentially hasn't been used for
over a decade except in some remnant debug printks that were recently
removed.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2019-04-26 08:01:32 +02:00
commit 80ed53707b