Remove no longer necessary intra block reencode again

This is the same change as a94997aa90e78d281f0a0524c60cf29530415c7d, it
has to be applied again as it was accidentally removed in the merge of
nextgenv2 (f883b42cabd100e575becdfb8f361f953942fe02).

Change-Id: Ic9c47766e9e7d189885ce2c774b92d1796a9a574

av1/encoder/rdopt.c

diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 89efb8f..9662f9e 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -9250,7 +9250,6 @@
       if (this_mode != DC_PRED && this_mode != TM_PRED)
         rate2 += intra_cost_penalty;
       distortion2 = distortion_y + distortion_uv;
-      av1_encode_intra_block_plane((AV1_COMMON *)cm, x, bsize, 0, 1);
 #if CONFIG_AOM_HIGHBITDEPTH
       if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
         x->recon_variance = av1_high_get_sby_perpixel_variance(