doc-gen: migrate window functions documentation to attribute based #35867

Job	Run time
cargo check	13m 38s
Check License Header	2m 18s
build with wasm-pack	3m 5s
cargo test (win64)	1h 16m 33s
Check cargo fmt	41s
cargo test (macos)	13m 51s
cargo test (macos-aarch64)	17m 41s
Verify MSRV (Min Supported Rust Version)	8m 50s
Verify Vendored Code	53s
cargo examples (amd64)	14m 44s
cargo test (amd64)	12m 12s
clippy	7m 6s
cargo test hash collisions (amd64)	28m 52s
cargo doc	4m 23s
cargo test datafusion-cli (amd64)	4m 39s
cargo test doc (amd64)	17m 30s
Run sqllogictest with Postgres runner	3m 56s
cargo test pyarrow (amd64)	3m 8s
verify benchmark results (amd64)	14m 20s
check Cargo.toml formatting	2m 59s
check configs.md and ***_functions.md is up-to-date	3m 36s
	4h 14m 55s

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