drm_hwcomposer: Remove VSyncWorkerCallbacks

This struct is no longer needed.

Change-Id: I85880d028c8d1931eeb964f10bccd94ee5fa3a5b
Signed-off-by: Drew Davenport <ddavenport@google.com>
diff --git a/hwc2_device/HwcDisplay.cpp b/hwc2_device/HwcDisplay.cpp
index b39d8c5..ff8de47 100644
--- a/hwc2_device/HwcDisplay.cpp
+++ b/hwc2_device/HwcDisplay.cpp
@@ -313,10 +313,8 @@
 HWC2::Error HwcDisplay::Init() {
   ChosePreferredConfig();
 
-  auto vsw_callbacks = (VSyncWorkerCallbacks){};
-
   if (type_ != HWC2::DisplayType::Virtual) {
-    vsync_worker_ = VSyncWorker::CreateInstance(pipeline_, vsw_callbacks);
+    vsync_worker_ = VSyncWorker::CreateInstance(pipeline_);
     if (!vsync_worker_) {
       ALOGE("Failed to create event worker for d=%d\n", int(handle_));
       return HWC2::Error::BadDisplay;