V4L/DVB (11729): Siano: smsdvb - remove redundent complete instruction

Remove redundant complete instruction from smsdvb, in the
past this was used by the statistics state machine, but
no longer.

Signed-off-by: Uri Shkolnik <uris@siano-ms.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>