Bug 1194034 - Remove unused GonkDisplayJB::StopBootAnim() in GonkDisplayJB. r=mwu

widget/gonk/libdisplay/GonkDisplayJB.h

@@ -53,7 +53,6 @@ public:
     virtual void NotifyBootAnimationStopped();
 
 private:
-    void StopBootAnim();
     void CreateSurface(android::sp<ANativeWindow>& aNativeWindow,
                        android::sp<android::DisplaySurface>& aDisplaySurface,
                        uint32_t aWidth, uint32_t aHeight);