This commit switches CI to running `rustfmt` on the stable compiler (as rustfmt is stable now!). Additionally it deletes `rustfmt.toml` to ensure we're following the same style as the rest of the ecosystem.
This commit switches CI to running `rustfmt` on the stable compiler (as rustfmt is stable now!). Additionally it deletes `rustfmt.toml` to ensure we're following the same style as the rest of the ecosystem.