Delete obsolete tsan suppressions.

The WEBRTC_TRACE facility and GetStaticInstance were deleted a while
ago, but corresponding tsan supressions were left around.

Bug: webrtc:5118
Change-Id: I00f04f0e4f20c17120df80cb43475f71c9d4a6ad
Reviewed-on: https://webrtc-review.googlesource.com/25240
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20856}
diff --git a/tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc b/tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc
index 4e176d1..ca4977b 100644
--- a/tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc
+++ b/tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc
@@ -27,14 +27,6 @@
 "race:vp8cx_remove_encoder_threads\n"
 "race:third_party/libvpx/source/libvpx/vp9/common/vp9_scan.h\n"
 
-// Usage of trace callback and trace level is racy in rtc_media_unittests.
-// https://code.google.com/p/webrtc/issues/detail?id=3372
-"race:webrtc::TraceImpl::WriteToFile\n"
-"race:webrtc::VideoEngine::SetTraceFilter\n"
-"race:webrtc::VoiceEngine::SetTraceFilter\n"
-"race:webrtc::Trace::set_level_filter\n"
-"race:webrtc::GetStaticInstance<webrtc::TraceImpl>\n"
-
 // Race in pulse initialization.
 // https://code.google.com/p/webrtc/issues/detail?id=5152
 "race:webrtc::AudioDeviceLinuxPulse::Init\n"