Input: HIL - do not call tasklet_disable right before tasklet_kill

We do not need to call tasklet_disable() before calling tasklet_kill() if
taskelt does not reschedult itself.

Signed-off-by: Xiaotian Feng <dannyfeng@tencent.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>