Remove an unused function parameter

Change-Id: I5c5d6024a54efe9f9f3578e4b9e8d2e931ca64d6
diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index 49509b7..95b3e66 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -417,7 +417,7 @@
 
 static INLINE int tx_size_to_depth(TX_SIZE tx_size, BLOCK_SIZE bsize,
                                    int is_inter) {
-  TX_SIZE ctx_size = get_max_rect_tx_size(bsize, is_inter);
+  TX_SIZE ctx_size = get_max_rect_tx_size(bsize);
   int depth = 0;
   while (tx_size != ctx_size) {
     depth++;