Revert of [Tracing] V8 Tracing Controller

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index c354ae27bc7347bc4426267e62955ba8ffef207a..4a00d4999d654aa34f3a9033b7afb2a41671a47e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2112,18 +2112,10 @@
 v8_source_set("v8_libplatform") {
   sources = [
     "include/libplatform/libplatform.h",
-    "include/libplatform/v8-tracing.h",
     "src/libplatform/default-platform.cc",
     "src/libplatform/default-platform.h",
     "src/libplatform/task-queue.cc",
     "src/libplatform/task-queue.h",
-    "src/libplatform/tracing/trace-buffer.cc",
-    "src/libplatform/tracing/trace-buffer.h",
-    "src/libplatform/tracing/trace-config.cc",
-    "src/libplatform/tracing/trace-object.cc",
-    "src/libplatform/tracing/trace-writer.cc",
-    "src/libplatform/tracing/trace-writer.h",
-    "src/libplatform/tracing/tracing-controller.cc",
     "src/libplatform/worker-thread.cc",
     "src/libplatform/worker-thread.h",
   ]