tests/rustdoc-json: Avoid needless use of `no_core` and `lang_items`#117679

Merged

bors merged 3 commits intorust-lang:masterfrom

aDotInTheVoid:yes-core

Nov 8, 2023

Commits on Nov 7, 2023

tests/rustdoc-json: Remove some needless uses of `#![no_core]`.
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committed
tests/rustdoc-json: Remove more needless uses of `#![no_core]`.
aDotInTheVoid
committed
tests/rustdoc-json: Rewrite tests no not use `#![no_core]`.
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committed