media: streamzap: remove unnecessary ir_raw_event_reset and handle

There is no reason to have a reset after an IR timeout.
Calling ir_raw_event_handle() twice for the same interrupt has no
affect.

Fixes: 56b0ec30 ("[media] rc/streamzap: fix reporting response times")
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>