rtc: Disable rtc_tf for super-res mode

Not needed due to spatial filtering in downsampler.

Change-Id: Iae113f5d4792f9e3f0aa30c891eaa0ccef19d338
diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 830d2c6..47abbc9 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1600,6 +1600,7 @@
     // Disable for use_highbitdepth = 1 to mitigate issue: b/303023614.
     sf->rt_sf.estimate_motion_for_var_based_partition = 0;
   }
+  if (cpi->oxcf.superres_cfg.enable_superres) sf->rt_sf.use_rtc_tf = 0;
 }
 
 // TODO(kyslov): now this is very similar to