Simplified a bit more #324

Job	Run time
cargo check	9m 41s
Check cargo fmt	26s
build with wasm-pack	2m 24s
cargo test (macos)	10m 33s
cargo test (macos-aarch64)	10m 59s
Verify MSRV (Min Supported Rust Version)	7m 0s
Verify Vendored Code	50s
cargo test (win64)	48m 17s
cargo test datafusion-cli (amd64)	3m 35s
cargo examples (amd64)	2m 43s
cargo test (amd64)	11m 8s
check Cargo.toml formatting	2m 47s
clippy	2m 20s
cargo test hash collisions (amd64)	10m 0s
check configs.md is up-to-date	2m 25s
Run sqllogictest with Postgres runner	3m 9s
cargo test doc (amd64)	13m 26s
cargo test pyarrow (amd64)	2m 42s
cargo doc	3m 49s
verify benchmark results (amd64)	10m 5s
	2h 38m 19s

Provide feedback