lavapipe: Don't wrap errors returned from vk_device_init in vk_error
vk_device_init already calls vk_error so this is redundant. Also, it makes vk_error grumpy to see a VK_ERROR_FEATURE_NOT_PRESENT on an instance rather than a physical device.
vk_device_init already calls vk_error so this is redundant. Also, it makes vk_error grumpy to see a VK_ERROR_FEATURE_NOT_PRESENT on an instance rather than a physical device.