Rust

remove `Transformed` #46

Job	Run time
cargo check	3m 30s
Check cargo fmt	37s
build with wasm-pack	1m 51s
cargo test (mac)	7m 23s
Verify MSRV	6m 20s
Verify Vendored Code	45s
cargo test (win64)	7m 22s
cargo examples (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo doc	0s
cargo test doc (amd64)	0s
cargo test (amd64)	0s
clippy	0s
Run sqllogictest with Postgres runner	0s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
check Cargo.toml formatting	0s
check configs.md is up-to-date	0s
cargo test hash collisions (amd64)	0s
	27m 48s

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