Remove VoENetEqStats interface.

webrtc/voice_engine/BUILD.gn

Index: webrtc/voice_engine/BUILD.gn
diff --git a/webrtc/voice_engine/BUILD.gn b/webrtc/voice_engine/BUILD.gn
index 38f0212e4f8aa3f0e78188f237db0488c4f71dcf..31cdff8d5c43facf4efe76000be050dd033966fe 100644
--- a/webrtc/voice_engine/BUILD.gn
+++ b/webrtc/voice_engine/BUILD.gn
@@ -79,7 +79,6 @@ rtc_static_library("voice_engine") {
     "include/voe_errors.h",
     "include/voe_file.h",
     "include/voe_hardware.h",
-    "include/voe_neteq_stats.h",
     "include/voe_network.h",
     "include/voe_rtp_rtcp.h",
     "monitor_module.h",
@@ -103,8 +102,6 @@ rtc_static_library("voice_engine") {
     "voe_file_impl.h",
     "voe_hardware_impl.cc",
     "voe_hardware_impl.h",
-    "voe_neteq_stats_impl.cc",
-    "voe_neteq_stats_impl.h",
     "voe_network_impl.cc",
     "voe_network_impl.h",
     "voe_rtp_rtcp_impl.cc",
@@ -278,7 +275,6 @@ if (rtc_include_tests) {
         "test/auto_test/standard/hardware_before_initializing_test.cc",
         "test/auto_test/standard/hardware_test.cc",
         "test/auto_test/standard/mixing_test.cc",
-        "test/auto_test/standard/neteq_stats_test.cc",
         "test/auto_test/standard/rtp_rtcp_before_streaming_test.cc",
         "test/auto_test/standard/rtp_rtcp_extensions.cc",
         "test/auto_test/standard/rtp_rtcp_test.cc",