[Tracing] Remove unused excluded categories list.

test/cctest/libplatform/test-tracing.cc

Index: test/cctest/libplatform/test-tracing.cc
diff --git a/test/cctest/libplatform/test-tracing.cc b/test/cctest/libplatform/test-tracing.cc
index 2f2998139d4a4591faf49725d126fd27c1a4d8f7..46eb6a93ad1fd48dc25fb96451fa31456ae0de52 100644
--- a/test/cctest/libplatform/test-tracing.cc
+++ b/test/cctest/libplatform/test-tracing.cc
@@ -16,7 +16,6 @@ TEST(TestTraceConfig) {
   TraceConfig* trace_config = new TraceConfig();
   trace_config->AddIncludedCategory("v8");
   trace_config->AddIncludedCategory(TRACE_DISABLED_BY_DEFAULT("v8.runtime"));
-  trace_config->AddExcludedCategory("v8.cpu_profile");
 
   CHECK_EQ(trace_config->IsSystraceEnabled(), false);
   CHECK_EQ(trace_config->IsArgumentFilterEnabled(), false);