Remove redundant statistics from FileScanConfig #39414

Job	Run time
Check License Header	2m 33s
linux build test	4m 44s
build with wasm-pack	3m 26s
cargo test (macos-aarch64)	10m 1s
Verify Vendored Code	51s
Check cargo fmt	37s
Verify MSRV (Min Supported Rust Version)	8m 12s
cargo check functions	2m 14s
cargo check no default features	8m 11s
cargo check datafusion	5m 25s
cargo doc	3m 59s
cargo test (amd64)	11m 7s
cargo test doc (amd64)	18m 24s
cargo examples (amd64)	16m 47s
Run sqllogictest with Postgres runner	5m 56s
cargo test pyarrow (amd64)	4m 20s
verify benchmark results (amd64)	9m 49s
clippy	6m 52s
check configs.md and ***_functions.md is up-to-date	5m 7s
check Cargo.toml formatting	3m 56s
	2h 12m 31s

Provide feedback