[rustdoc] Remove duplicated loop when computing doc cfgs #138755
+14
−31
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Working on implementing https://github.com/rust-lang/rfcs/blob/master/text/3631-rustdoc-cfgs-handling.md and found this weird case where the first loop was actually not doing anything since we were passing
cfg(...)
toCfg::parse
instead ofcfg(...)
items.Well, that should be a first nice cleanup before the rest comes in.
cc @notriddle
r? @camelid