message: Removed example_main defines
diff: @@ -1095,7 +1095,6 @@ public:
  #if defined(_WIN32)
  // Windows entry point
  -#define VULKAN_EXAMPLE_MAIN()
  VulkanExample *vulkanExample;
  LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
  {
  @@ -1121,7 +1120,6 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLin
  #elif defined(__ANDROID__)
  // Android entry point
  // A note on app_dummy(): This is required as the compiler may otherwise remove the main entry point of the application
  -#define VULKAN_EXAMPLE_MAIN()
  VulkanExample *vulkanExample;
  void android_main(android_app* state)
  {
  @@ -1138,7 +1136,6 @@ void android_main(android_app* state)
  // Linux entry point with direct to display wsi
  // Direct to Displays (D2D) is used on embedded platforms
  -#define VULKAN_EXAMPLE_MAIN()
  VulkanExample *vulkanExample;
  static void handleEvent()
  {
  @@ -1157,7 +1154,6 @@ int main(const int argc, const char *argv[])
  #elif defined(__linux__)
  // Linux entry point
  -#define VULKAN_EXAMPLE_MAIN()
  VulkanExample *vulkanExample;
  static void handleEvent(const xcb_generic_event_t *event)
  {
  