Remove inconsistent method #3331

Job	Run time
Reject trailing whitespace	8s
Run doc tests	2m 31s
cargo-checkmate / Cache checkmate	6s
test / Build test artifacts	8m 45s
cargo-checkmate / Cargo checkmate (build)	2m 1s
cargo-checkmate / Cargo checkmate (check)	1m 18s
cargo-checkmate / Cargo checkmate (clippy)	1m 15s
cargo-checkmate / Cargo checkmate (doc)	2m 35s
cargo-checkmate / Cargo checkmate (format)	15s
test / Run tests (1)	3m 10s
test / Run tests (2)	4m 18s
test / Run tests (3)	4m 31s
test / Run tests (4)	3m 14s
test / Run tests (5)	2m 29s
test / Run tests (6)	2m 43s
test / Run tests (7)	2m 30s
test / Run tests (8)	2m 22s
	44m 11s

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