Input: joydev - fix comment typo

The double `from' is duplicated in the comment, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220804120800.60415-1-wangborong@cdjrlc.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>