Remove an obsolete comment

Change-Id: I9b1351263286041d718a1b54735c17aeb5f8a0a7

av1/encoder/encoder.c

diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 1d30a88..259798d 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -4422,7 +4422,6 @@
   return (resized_dim * SCALE_NUMERATOR >= orig_dim * denom / 2);
 }
 
-// TODO(now): Fix?
 static int dimensions_are_ok(int owidth, int oheight, size_params_type *rsz) {
   return dimension_is_ok(owidth, rsz->resize_width, rsz->superres_denom) &&
          (CONFIG_HORZONLY_FRAME_SUPERRES ||