[Opus] Update to v1.2.1

third_party/opus/src/silk/tables_LTP.c

 /***********************************************************************
 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 - Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.
 - Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
@@ skipping 33 matching lines @@
         61,     51,     42,     32,     23,     15,      8,      0
 };
 
 static const opus_uint8 silk_LTP_gain_iCDF_2[32] = {
        241,    225,    211,    199,    187,    175,    164,    153,
        142,    132,    123,    114,    105,     96,     88,     80,
         72,     64,     57,     50,     44,     38,     33,     29,
         24,     20,     16,     12,      9,      5,      2,      0
 };
 
-const opus_int16 silk_LTP_gain_middle_avg_RD_Q14 = 12304;
-
 static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = {
         15,    131,    138,    138,    155,    155,    173,    173
 };
 
 static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = {
         69,     93,    115,    118,    131,    138,    141,    138,
        150,    150,    155,    150,    155,    160,    166,    160
 };
 
 static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = {
@@ skipping 221 matching lines @@
 
 const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = {
     &silk_LTP_gain_vq_0_gain[0],
     &silk_LTP_gain_vq_1_gain[0],
     &silk_LTP_gain_vq_2_gain[0]
 };
 
 const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = {
     8, 16, 32
 };