Undo the vp8 change in "Reduce loop filter in..."

Patch in https://gerrit.chromium.org/gerrit/#/c/41176/
was merged into repository by mistake.

Change-Id: I235c71af26bb2d72698c8aac2301e5a7e9c5f960

vp8/encoder/onyx_if.c

@@ -3808,22 +3808,11 @@ static void encode_frame_to_data_rate
 
     /* Setup background Q adjustment for error resilient mode.
      * For multi-layer encodes only enable this for the base layer.
-     * Reduce loop filter to reduce "dot" artifacts that can occur for repeated
-     * loop filtering on ZEROMV_LASTREF blocks.
-     * For now reducing it to -32, only for resolutions above CIF and
-     * #temporal_layers < 3 (artifact is hard to see at low spatial resolution
-     * and/or high #temporal layers).
     */
     if (cpi->cyclic_refresh_mode_enabled)
     {
-      int delta_loop_filter = 0;
-      if (cm->Width > 352 && cm->Height > 288 &&
-          cpi->oxcf.number_of_layers < 3)
-      {
-        delta_loop_filter = -32;
-      }
       if (cpi->current_layer==0)
-        cyclic_background_refresh(cpi, Q, delta_loop_filter);
+        cyclic_background_refresh(cpi, Q, 0);
       else
         disable_segmentation(cpi);
     }