layers: Drop layer_data from some leaf funcs that dont use it
layers: Drop layer_data from some leaf funcs that dont use it

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