msm: vidc: Remove frame size setting on OUTPUT Port

Currently driver sets frame size to FW on both INPUT and OUTPUT ports.
1.4 FW version doesn't support frame size setting on OUTPUT port.
FW uses the size set on INPUT port for decoding. Hence removing
the frame size setting to FW.

Change-Id: If2c2a202ccc069cf30b65669c5c57d5179bcc108
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>