android: audio_core: Remove noisy log.

src/audio_core/hle/source.cpp

@@ -345,7 +345,6 @@ void Source::GenerateFrame() {
             break;
         case InterpolationMode::Polyphase:
             // TODO(merry): Implement polyphase interpolation
-            LOG_DEBUG(Audio_DSP, "Polyphase interpolation unimplemented; falling back to linear");
             AudioInterp::Linear(state.interp_state, state.current_buffer, state.rate_multiplier,
                                 current_frame, frame_position);
             break;