fallout of getting rid of IGraphicBufferAlloc

Test: compile & run
Bug: cleanup
Change-Id: Ifba0668d798c523c556ca7dae2c172711a256b05
diff --git a/services/camera/libcameraservice/device3/Camera3BufferManager.h b/services/camera/libcameraservice/device3/Camera3BufferManager.h
index f44c4a3..d1d7a6f 100644
--- a/services/camera/libcameraservice/device3/Camera3BufferManager.h
+++ b/services/camera/libcameraservice/device3/Camera3BufferManager.h
@@ -26,8 +26,6 @@
 
 namespace android {
 
-class IGraphicBufferAlloc;
-
 namespace camera3 {
 
 struct StreamInfo;
@@ -46,7 +44,7 @@
  */
 class Camera3BufferManager: public virtual RefBase {
 public:
-    explicit Camera3BufferManager(const sp<IGraphicBufferAlloc>& allocator = NULL);
+    explicit Camera3BufferManager();
 
     virtual ~Camera3BufferManager();
 
@@ -188,12 +186,6 @@
 
     static const size_t kMaxBufferCount = BufferQueueDefs::NUM_BUFFER_SLOTS;
 
-    /**
-     * mAllocator is the connection to SurfaceFlinger that is used to allocate new GraphicBuffer
-     * objects.
-     */
-    sp<IGraphicBufferAlloc> mAllocator;
-
     struct GraphicBufferEntry {
         sp<GraphicBuffer> graphicBuffer;
         int fenceFd;