D3DBase: Don't pass the DEBUG flag when creating a device

In order for this flag to not fail, you either need a Windows 8 machine
or upgrade to the paid version of Visual Studio 2012. Not gonna happen.

Source/Plugins/Plugin_VideoDX11/Src/D3DBase.cpp

@@ -333,11 +333,7 @@ HRESULT Create(HWND wnd)
 	swap_chain_desc.BufferDesc.Width = xres;
 	swap_chain_desc.BufferDesc.Height = yres;
 
-#if defined(_DEBUG) || defined(DEBUGFAST)
-	D3D11_CREATE_DEVICE_FLAG device_flags = (D3D11_CREATE_DEVICE_FLAG)(D3D11_CREATE_DEVICE_DEBUG|D3D11_CREATE_DEVICE_SINGLETHREADED);
-#else
 	D3D11_CREATE_DEVICE_FLAG device_flags = D3D11_CREATE_DEVICE_SINGLETHREADED;
-#endif
 	hr = PD3D11CreateDeviceAndSwapChain(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, device_flags,
 										supported_feature_levels, NUM_SUPPORTED_FEATURE_LEVELS,
 										D3D11_SDK_VERSION, &swap_chain_desc, &swapchain, &device,