Remove redundant line in handle_inter_mode()

An identical line of code has been handled prior to the for loop.

Change-Id: Ib73a21b58a5382a45be5eeea448b72eb60f5f65f
diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index a66640b..adeb4c6 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -9472,7 +9472,6 @@
       if (is_comp_pred && comp_idx == 0) {
         *rd_stats = backup_rd_stats;
         mbmi->interinter_comp.type = COMPOUND_AVERAGE;
-        if (mbmi->ref_frame[1] == INTRA_FRAME) mbmi->ref_frame[1] = NONE_FRAME;
         mbmi->num_proj_ref = 0;
         mbmi->motion_mode = SIMPLE_TRANSLATION;
         mbmi->comp_group_idx = 0;