Revert of tracing v2: Introduce TraceBufferWriter

components/tracing/core/proto_utils.h

Index: components/tracing/core/proto_utils.h
diff --git a/components/tracing/core/proto_utils.h b/components/tracing/core/proto_utils.h
index dfa983e0297c599c9dfda0a3690ef1ab6ae39842..68599199688e98f0182aeb874a4e6e15e0585f2d 100644
--- a/components/tracing/core/proto_utils.h
+++ b/components/tracing/core/proto_utils.h
@@ -95,12 +95,6 @@
   DCHECK_EQ(0u, value) << "Buffer too short to encode the given value";
 }
 
-template <uint32_t field_id>
-void StaticAssertSingleBytePreamble() {
-  static_assert(field_id < 16,
-                "Proto field id too big to fit in a single byte preamble");
-};
-
 }  // namespace proto
 }  // namespace v2
 }  // namespace tracing