demos: Remove HTML in plain-text vulkaninfo output
demos: Remove HTML in plain-text vulkaninfo output

Change-Id: I6f1192b71aa6f33664a6782dc81e1f8cb7cc5ba1

KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers