Remove mention about nightly toolchain which is no longer needed

eupn / macrotest

Test harness for declarative and procedural macros expansion via `cargo-expand`

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Closed taiki-e closed 5 months ago

taiki-e commented 5 months ago

The latest cargo-expand doesn't require nightly toolchain (they are now using RUSTC_BOOTSTRAP on non-nightly toolchain: https://github.com/dtolnay/cargo-expand/pull/183).