audiohal: Remove stale TODOs

Bug: 34109709
Change-Id: I9b30ffa2ed06be8cf31cdbfbcc0f4cb0dac7be54
Test: make
diff --git a/audio/effect/2.0/IEffectBufferProviderCallback.hal b/audio/effect/2.0/IEffectBufferProviderCallback.hal
index 545e2e5..53f4d6e 100644
--- a/audio/effect/2.0/IEffectBufferProviderCallback.hal
+++ b/audio/effect/2.0/IEffectBufferProviderCallback.hal
@@ -27,7 +27,6 @@
      *
      * @return buffer audio buffer for processing
      */
-    // TODO(mnaganov): replace with FMQ version.
     getBuffer() generates (AudioBuffer buffer);
 
     /*
@@ -35,6 +34,5 @@
      *
      * @param buffer audio buffer for processing
      */
-    // TODO(mnaganov): replace with FMQ version.
     putBuffer(AudioBuffer buffer);
 };
diff --git a/audio/effect/2.0/default/Effect.cpp b/audio/effect/2.0/default/Effect.cpp
index 6704239..2d36604 100644
--- a/audio/effect/2.0/default/Effect.cpp
+++ b/audio/effect/2.0/default/Effect.cpp
@@ -205,7 +205,7 @@
     halConfig->buffer.raw = NULL;
     halConfig->samplingRate = config.samplingRateHz;
     halConfig->channels = static_cast<uint32_t>(config.channels);
-    // TODO(mnaganov): The framework code currently does not use BP, implement later.
+    // Note: The framework code does not use BP.
     halConfig->bufferProvider.cookie = NULL;
     halConfig->bufferProvider.getBuffer = NULL;
     halConfig->bufferProvider.releaseBuffer = NULL;