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
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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