Rust

remove `Transformed` #47

Job	Run time
build with wasm-pack	1m 51s
cargo test (win64)	38m 22s
cargo check	6m 46s
Check cargo fmt	35s
cargo test (mac)	17m 53s
Verify MSRV	6m 8s
Verify Vendored Code	47s
cargo test doc (amd64)	9m 25s
cargo examples (amd64)	2m 12s
cargo test (amd64)	8m 33s
cargo test datafusion-cli (amd64)	3m 4s
clippy	2m 35s
cargo doc	3m 11s
cargo test pyarrow (amd64)	2m 13s
Run sqllogictest with Postgres runner	2m 55s
verify benchmark results (amd64)	9m 30s
check Cargo.toml formatting	1m 33s
check configs.md is up-to-date	2m 4s
cargo test hash collisions (amd64)	8m 24s
	2h 8m 1s

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