media: imx-jpeg: Remove some redundant error logs

If the picture size parsed by decoder is different from those previously
established, it's a normal flow of dynamic resolution change, not an
error case, the log may mislead that some error occurs in decoding, so
remove the error log in this case.

Fixes: 2db16c6e ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>