libmix: remove partition_data_offset from VASliceParameterBufferVP8

BZ: 104446

Remove partition_data_offset from VASliceParameterBufferVP8 in libmix.

Change-Id: I324a80779f9609ebdaf574bcdd834dbb9db49fe2
Signed-off-by: Tianmi Chen <tianmi.chen@intel.com>
Reviewed-on: http://android.intel.com:8080/107237
Reviewed-by: Ding, Haitao <haitao.ding@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Reviewed-by: Shi, PingX <pingx.shi@intel.com>
Tested-by: Shi, PingX <pingx.shi@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
diff --git a/mix_vbp/viddec_fw/fw/parser/vbp_vp8_parser.c b/mix_vbp/viddec_fw/fw/parser/vbp_vp8_parser.c
index 7a41f43..5ac5402 100644
--- a/mix_vbp/viddec_fw/fw/parser/vbp_vp8_parser.c
+++ b/mix_vbp/viddec_fw/fw/parser/vbp_vp8_parser.c
@@ -482,9 +482,6 @@
         slc_parms->partition_size[part_index] = pi->partition_size[part_index - 1];
     }
 
-    /* This field specifies the offset to the first byte of partition data */
-    slc_parms->partition_data_offset = slc_parms->slice_data_offset;
-
     pic_data->num_slices++;
     if (pic_data->num_slices > VP8_MAX_NUM_SLICES) {
         ETRACE("Number of slices (%d) per picture exceeds the limit (%d).", pic_data->num_slices, VP8_MAX_NUM_SLICES);