vp9_find_mv_refs_idx: remove unused split_count

variable was write only

Change-Id: I04b002178f66961836ee08fb60a05b91b54e91d8

vp9/common/vp9_mvref_common.c

@@ -149,7 +149,6 @@ void vp9_find_mv_refs_idx(VP9_COMMON *cm, MACROBLOCKD *xd, MODE_INFO *here,
   MV_REFERENCE_FRAME c2_ref_frame;
   int candidate_scores[MAX_MV_REF_CANDIDATES] = { 0 };
   int refmv_count = 0;
-  int split_count = 0;
   const int (*mv_ref_search)[2] = mv_ref_blocks[mbmi->sb_type];
   const int mi_col = get_mi_col(xd);
   const int mi_row = get_mi_row(xd);
@@ -191,8 +190,6 @@ void vp9_find_mv_refs_idx(VP9_COMMON *cm, MACROBLOCKD *xd, MODE_INFO *here,
         add_candidate_mv(mv_ref_list, candidate_scores,
                          &refmv_count, c_refmv, 16);
       }
-      split_count += (candidate_mi->mbmi.sb_type < BLOCK_SIZE_SB8X8 &&
-                      candidate_mi->mbmi.ref_frame[0] != INTRA_FRAME);
 
       // Count number of neihgbours coded intra and zeromv
       intra_count += (candidate_mi->mbmi.mode < NEARESTMV);