Remove Mojo TSAN suppressions.

These classes/functions no longer exist.

BUG=571735

Review URL: https://codereview.chromium.org/1664373003

Cr-Original-Commit-Position: refs/heads/master@{#373807}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: b89c9361838178e1b38c742ed3d99f4353e5c537

sanitizers/tsan_suppressions.cc

@@ -277,12 +277,6 @@ char kTSanDefaultSuppressions[] =
 // https://crbug.com/569682
 "race:blink::ThreadState::visitStackRoots\n"
 
-// http://crbug.com/571735
-"deadlock:mojo::edk::RawChannel::Init\n"
-
-// http://crbug.com/571735
-"deadlock:mojo::edk::MessagePipeDispatcher::TransportStarted\n"
-
 // http://crbug.com/582274
 "race:usrsctp_close\n"