frontends/va: remove unused slice_param_idx variable
slice_param_idx was added to handle multiple slice params. it's not used anymore.
Signed-off-by: Sajeesh Sidharthan sajeesh.sidharthan@amd.com
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slice_param_idx was added to handle multiple slice params. it's not used anymore.
Signed-off-by: Sajeesh Sidharthan sajeesh.sidharthan@amd.com