Remove stale TODO in TFLite

The usage of subgraph_test_util is a bit widespread
now, and it's used for non-control flow use cases.
The TODO no longer makes sense.

PiperOrigin-RevId: 369763408
Change-Id: I629499d8070777028ffc1ce1ae684fcebb05608c
diff --git a/tensorflow/lite/kernels/subgraph_test_util.h b/tensorflow/lite/kernels/subgraph_test_util.h
index 6a12afd..4d487fb 100644
--- a/tensorflow/lite/kernels/subgraph_test_util.h
+++ b/tensorflow/lite/kernels/subgraph_test_util.h
@@ -32,9 +32,6 @@
 namespace tflite {
 namespace subgraph_test_util {
 
-// TODO(ycling): This file should be renamed as
-// `control_flow_test_util` to avoid confusion. I'll do it immediately
-// in a separated change.
 class SubgraphBuilder {
  public:
   ~SubgraphBuilder();