Deprecate token check in level map coding scheme

Change-Id: I4038d971455626c4c8e93b9b83e9155c5170349e
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 8034a36..d705ce2 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -4135,7 +4135,9 @@
       cpi->td.mb.pvq_q = &this_tile->pvq_q;
 #endif
       write_modes(cpi, &tile_info, &mode_bc, &tok, tok_end);
+#if !CONFIG_LV_MAP
       assert(tok == tok_end);
+#endif  // !CONFIG_LV_MAP
       aom_stop_encode(&mode_bc);
       tile_size = mode_bc.pos;
 #endif  // CONFIG_ANS