Delete VCMNackFecTable; appears unused for a long time.

Digging in the git history, I see one reference to this table, deleted
in 2011. And reference to the header file disappeared in the cleanup cl
https://webrtc-review.googlesource.com/c/src/+/106280

Bug: None
Change-Id: Iab8cf407a5606e7c28f798f933ff57da0de8d1cc
Reviewed-on: https://webrtc-review.googlesource.com/c/120962
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26537}
diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 0c9db0f..75ee497 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -133,7 +133,6 @@
     "jitter_estimator.h",
     "media_opt_util.cc",
     "media_opt_util.h",
-    "nack_fec_tables.h",
     "packet_buffer.cc",
     "packet_buffer.h",
     "receiver.cc",
diff --git a/modules/video_coding/nack_fec_tables.h b/modules/video_coding/nack_fec_tables.h
deleted file mode 100644
index e57656e..0000000
--- a/modules/video_coding/nack_fec_tables.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_
-#define MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_
-
-namespace webrtc {
-
-// Table for adjusting FEC rate for NACK/FEC protection method
-// Table values are built as a sigmoid function, ranging from 0 to 100, based on
-// the HybridNackTH values defined in media_opt_util.h.
-const uint16_t VCMNackFecTable[100] = {
-    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   1,   1,   1,
-    1,   2,   2,   2,   3,   3,   4,   5,   6,   7,   9,   10,  12,  15,  18,
-    21,  24,  28,  32,  37,  41,  46,  51,  56,  61,  66,  70,  74,  78,  81,
-    84,  86,  89,  90,  92,  93,  95,  95,  96,  97,  97,  98,  98,  99,  99,
-    99,  99,  99,  99,  100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
-    100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
-    100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
-};
-
-}  // namespace webrtc
-
-#endif  // MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_