VP8: Remove no longer used vp8_rac_get_tree_with_offset

libavcodec/vp56.h

@@ -334,15 +334,13 @@ int vp56_rac_get_tree(VP56RangeCoder *c,
     return -tree->val;
 }
 
-/**
- * This is identical to vp8_rac_get_tree except for the possibility of starting
- * on a node other than the root node, needed for coeff decode where this is
- * used to save a bit after a 0 token (by disallowing EOB to immediately follow.)
- */
-static av_always_inline
-int vp8_rac_get_tree_with_offset(VP56RangeCoder *c, const int8_t (*tree)[2],
-                                 const uint8_t *probs, int i)
+// how probabilities are associated with decisions is different I think
+// well, the new scheme fits in the old but this way has one fewer branches per decision
+static av_always_inline int vp8_rac_get_tree(VP56RangeCoder *c, const int8_t (*tree)[2],
+                                   const uint8_t *probs)
 {
+    int i = 0;
+
     do {
         i = tree[i][vp56_rac_get_prob(c, probs[i])];
     } while (i > 0);
@@ -350,15 +348,6 @@ int vp8_rac_get_tree_with_offset(VP56RangeCoder *c, const int8_t (*tree)[2],
     return -i;
 }
 
-// how probabilities are associated with decisions is different I think
-// well, the new scheme fits in the old but this way has one fewer branches per decision
-static av_always_inline
-int vp8_rac_get_tree(VP56RangeCoder *c, const int8_t (*tree)[2],
-                     const uint8_t *probs)
-{
-    return vp8_rac_get_tree_with_offset(c, tree, probs, 0);
-}
-
 // DCTextra
 static av_always_inline int vp8_rac_get_coeff(VP56RangeCoder *c, const uint8_t *prob)
 {