Revert: fix the display problem with some non-standard dv streams. [1/2]

Revert: fix the display problem with some non-standard dv streams. [1/2]

PD#SWPL-36900

Problem:
For non-standardized dv streams, dv effect is displayed because meta
data is parsed.

Solution:
For non-standardized dv streams, discard_dv_data flag is passed to
the dv module.
This reverts commit cbd6d015ab93f3e6c87b7d4e8a0ce0f15dd7ee8b.
Revert the reason：Since kernel submission has not been merged,
compiling on Q will cause problems.

Verify:
AH212

Change-Id: I4b026cd8c8b8862135326af7e77683dc127f7bbd
Signed-off-by: gan.zhang <gan.zhang@amlogic.com>