vk/util: remove unneeded array index
This is an array of 1, so [0] is the only content, and meson already flattens the list so this is unnecessary. Also, all the other uses of vk_api_xml don't do that.
/cc @dbaker
This is an array of 1, so [0] is the only content, and meson already flattens the list so this is unnecessary. Also, all the other uses of vk_api_xml don't do that.
/cc @dbaker