Removed example_main defines
Removed example_main defines

SaschaWillems/Vulkan,jpbruyere/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,jpbruyere/Vulkan,ming4883/Vulkan,grim210/Vulkan,ming4883/Vulkan,grim210/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,ming4883/Vulkan