Remove deprecated functions and speed features

Change-Id: I2a402bce4cbbbcebf8fe5a0e480b433f744353c1

av1/encoder/rdopt.c

diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index d158f22..6200cd8 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -2374,36 +2374,6 @@
   return rd;
 }
 
-static int skip_txfm_search(const AV1_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs,
-                            TX_TYPE tx_type, TX_SIZE tx_size) {
-  const MACROBLOCKD *const xd = &x->e_mbd;
-  const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
-  const int is_inter = is_inter_block(mbmi);
-  (void)bs;
-
-  if (x->cb_partition_scan && tx_type != DCT_DCT) return 1;
-
-  if (mbmi->ref_mv_idx > 0 && tx_type != DCT_DCT) return 1;
-  if (!is_inter && x->use_default_intra_tx_type &&
-      tx_type != get_default_tx_type(0, xd, tx_size))
-    return 1;
-  if (is_inter && x->use_default_inter_tx_type &&
-      tx_type != get_default_tx_type(0, xd, tx_size))
-    return 1;
-  const AV1_COMMON *const cm = &cpi->common;
-  const TxSetType tx_set_type =
-      get_ext_tx_set_type(tx_size, is_inter, cm->reduced_tx_set_used);
-  if (!av1_ext_tx_used[tx_set_type][tx_type]) return 1;
-  if (is_inter) {
-    if (cpi->sf.tx_type_search.prune_mode > NO_PRUNE) {
-      if (!do_tx_type_search(tx_type, x->tx_search_prune[tx_set_type],
-                             cpi->sf.tx_type_search.prune_mode))
-        return 1;
-    }
-  }
-  return 0;
-}
-
 static int64_t estimate_yrd_for_sb(const AV1_COMP *const cpi, BLOCK_SIZE bs,
                                    MACROBLOCK *x, int *r, int64_t *d, int *s,
                                    int64_t *sse, int64_t ref_best_rd) {

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 7b9dac6..2fc488f 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -193,7 +193,6 @@
     sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
     sf->intra_uv_mode_mask[TX_16X16] = UV_INTRA_DC_H_V_CFL;
 
-    sf->tx_size_search_breakout = 1;
     sf->partition_search_breakout_rate_thr = 80;
 
     // Use transform domain distortion.
@@ -474,7 +473,6 @@
   // Recode loop tolerance %.
   sf->recode_tolerance = 25;
   sf->default_interp_filter = SWITCHABLE;
-  sf->tx_size_search_breakout = 0;
   sf->partition_search_breakout_dist_thr = 0;
   sf->partition_search_breakout_rate_thr = 0;
   sf->simple_model_rd_from_var = 0;

av1/encoder/speed_features.h

diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index 6e52618..6b6f385 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -518,10 +518,6 @@
   // default interp filter choice
   InterpFilter default_interp_filter;
 
-  // Early termination in transform size search, which only applies while
-  // tx_size_search_method is USE_FULL_RD.
-  int tx_size_search_breakout;
-
   // adaptive interp_filter search to allow skip of certain filter types.
   int adaptive_interp_filter_search;