media: iris: Remove unnecessary re-initialization of flush completion

media: iris: Remove unnecessary re-initialization of flush completion

Currently, The flush completion signal is being re-initialized even
though no response is expected during a sequence change.

Simplify the code by removing re-initialization of flush completion
signal as it is redundant.

Cc: stable@vger.kernel.org
Fixes: 84e17adae3e3 ("media: iris: add support for dynamic resolution change")
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # on sa8775p-ride
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>