More removing redundant stuff

GPU/Vulkan/FramebufferManagerVulkan.cpp

@@ -79,18 +79,3 @@ void FramebufferManagerVulkan::NotifyClear(bool clearColor, bool clearAlpha, boo
 		SetDepthUpdated();
 	}
 }
-
-void FramebufferManagerVulkan::BeginFrameVulkan() {
-	BeginFrame();
-}
-
-void FramebufferManagerVulkan::EndFrame() {
-}
-
-void FramebufferManagerVulkan::DeviceLost() {
-	FramebufferManagerCommon::DeviceLost();
-}
-
-void FramebufferManagerVulkan::DeviceRestore(Draw::DrawContext *draw) {
-	FramebufferManagerCommon::DeviceRestore(draw);
-}