msm: vidc: No need to set framesize on firmware

Firmware does not support setting frame size during
port reconfig and host driver does not require this
either. Removing this redundant call as it is causing
issues in querying for height/width during port reconfig.

Change-Id: I17e6e9763b9240b5dfee41b2c3f224aebe759072
Signed-off-by: Vinay Kalia <vkalia@codeaurora.org>