Fix a bug in encoding the restoration tilesize.

Change-Id: I841098396e4932913e41cfc729ef2ee3b7444477

av1/encoder/bitstream.c

diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index e422b9d..ef746ed 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -3396,9 +3396,6 @@
       cm->rst_info[1].frame_restoration_type != RESTORE_NONE ||
       cm->rst_info[2].frame_restoration_type != RESTORE_NONE) {
     rsi = &cm->rst_info[0];
-    if (rsi->restoration_tilesize == RESTORATION_TILESIZE_MAX) {
-      aom_wb_write_bit(wb, 0);
-    }
     aom_wb_write_bit(wb, rsi->restoration_tilesize != RESTORATION_TILESIZE_MAX);
     if (rsi->restoration_tilesize != RESTORATION_TILESIZE_MAX) {
       aom_wb_write_bit(