Revert "Suppress data races in libjingle_peerconnection_unittest"

This reverts commit 8e9c67e6a92b595fa18348e82042f439153321e3.
- https://chromium.googlesource.com/external/webrtc/+/8e9c67e6a92b595fa18348e82042f439153321e3

BUG=4488,4473
TBR=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/47869004

Cr-Original-Commit-Position: refs/heads/master@{#8895}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 65f74a1fc6094fd3cf7eb61982d3a837f1d9ed03
diff --git a/build/sanitizers/tsan_suppressions_webrtc.cc b/build/sanitizers/tsan_suppressions_webrtc.cc
index da293ad..d6b24b5 100644
--- a/build/sanitizers/tsan_suppressions_webrtc.cc
+++ b/build/sanitizers/tsan_suppressions_webrtc.cc
@@ -56,11 +56,6 @@
 "deadlock:rtc::MessageQueueManager::Clear\n"
 "deadlock:rtc::MessageQueueManager::ClearInternal\n"
 
-// libjingle_peerconnection_unittest
-// https://code.google.com/p/webrtc/issues/detail?id=4488
-"race:webrtc::voe::ChannelOwner::~ChannelOwner\n"
-"race:cricket::ChannelManager::Terminate_w()\n"
-
 // libjingle_p2p_unittest
 // https://code.google.com/p/webrtc/issues/detail?id=2079
 "race:webrtc/base/testclient.cc\n"