Remove CUSTOMIZED_GF flag.

Already on by default.

BUG=aomedia:2306

Change-Id: I4a4379d04cc2887237bfca4579d381612b9d49e0
diff --git a/av1/encoder/ratectrl.c b/av1/encoder/ratectrl.c
index 1a9f0be..f952b35 100644
--- a/av1/encoder/ratectrl.c
+++ b/av1/encoder/ratectrl.c
@@ -963,12 +963,8 @@
   const int bit_depth = cm->seq_params.bit_depth;
   ASSIGN_MINQ_TABLE(bit_depth, inter_minq);
 
-#if CUSTOMIZED_GF
   const int is_intrl_arf_boost =
       gf_group->update_type[gf_group->index] == INTNL_ARF_UPDATE;
-#else
-  const int is_intrl_arf_boost = cpi->refresh_alt2_ref_frame;
-#endif  // CUSTOMIZED_GF
 
   if (frame_is_intra_only(cm)) {
     if (rc->frames_to_key == 1 && oxcf->rc_mode == AOM_Q) {
@@ -1277,16 +1273,12 @@
 
 static void update_golden_frame_stats(AV1_COMP *cpi) {
   RATE_CONTROL *const rc = &cpi->rc;
-#if CUSTOMIZED_GF
   const TWO_PASS *const twopass = &cpi->twopass;
   const GF_GROUP *const gf_group = &twopass->gf_group;
   const int is_intrnl_arf =
       cpi->oxcf.pass == 2
           ? gf_group->update_type[gf_group->index] == INTNL_ARF_UPDATE
           : cpi->refresh_alt2_ref_frame;
-#else
-  const int is_intnl_arf = cpi->refresh_alt2_ref_frame;
-#endif
 
   // Update the Golden frame usage counts.
   // NOTE(weitinglin): If we use show_existing_frame for an OVERLAY frame,
@@ -1457,16 +1449,12 @@
   const AV1_COMMON *const cm = &cpi->common;
   const CurrentFrame *const current_frame = &cm->current_frame;
   RATE_CONTROL *const rc = &cpi->rc;
-#if CUSTOMIZED_GF
   const TWO_PASS *const twopass = &cpi->twopass;
   const GF_GROUP *const gf_group = &twopass->gf_group;
   const int is_intrnl_arf =
       cpi->oxcf.pass == 2
           ? gf_group->update_type[gf_group->index] == INTNL_ARF_UPDATE
           : cpi->refresh_alt2_ref_frame;
-#else
-  const int is_intrnl_arf = cpi->refresh_alt2_ref_frame;
-#endif
 
   const int qindex = cm->base_qindex;
 
diff --git a/av1/encoder/ratectrl.h b/av1/encoder/ratectrl.h
index 8faf662..3613555 100644
--- a/av1/encoder/ratectrl.h
+++ b/av1/encoder/ratectrl.h
@@ -34,8 +34,6 @@
 // The maximum duration of a GF group that is static (e.g. a slide show).
 #define MAX_STATIC_GF_GROUP_LENGTH 250
 
-#define CUSTOMIZED_GF 1
-
 // Minimum and maximum height for the new pyramid structure.
 // (Old structure supports height = 1, but does NOT support height = 4).
 #define MIN_PYRAMID_LVL 2