Variable penup is assigned a value but penup is never read later, it
is redundant and can be removed.
Signed-off-by: NColin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20211205000525.153999-1-colin.i.king@gmail.comSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>