Remove skrifa from vello's public API (#747) #1949

Job	Run time
formatting	28s
Prime LFS Cache	7s
cargo clippy (windows-latest)	3m 20s
cargo clippy (macos-latest)	1m 45s
cargo check (msrv) (windows-latest)	1m 58s
cargo clippy (ubuntu-latest)	1m 53s
cargo check (msrv) (wasm32)	1m 5s
cargo check (msrv) (macos-latest)	56s
cargo check (msrv) (ubuntu-latest)	45s
cargo check (aarch64-android)	39s
cargo clippy (wasm32)	2m 17s
cargo doc	33s
typos	5s
cargo test (wasm32)	55s
cargo test (windows-latest)	3m 0s
cargo test (macos-latest)	2m 4s
cargo test (ubuntu-latest)	3m 21s
	25m 11s

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