Move `AggregateExpr`, `PhysicalExpr` and `PhysicalSortExpr` to physical-expr-core #25361

Job	Run time
cargo check	9m 14s
Check cargo fmt	41s
build with wasm-pack	2m 31s
cargo test (macos)	17m 45s
cargo test (macos-aarch64)	8m 58s
Verify Vendored Code	50s
cargo test (win64)	43m 33s
Verify MSRV (Min Supported Rust Version)	7m 17s
cargo test (amd64)	9m 9s
cargo test datafusion-cli (amd64)	3m 46s
clippy	5m 2s
cargo test hash collisions (amd64)	8m 59s
cargo doc	3m 42s
circular dependency check	2m 37s
cargo test doc (amd64)	11m 44s
cargo examples (amd64)	10m 46s
Run sqllogictest with Postgres runner	3m 14s
cargo test pyarrow (amd64)	2m 54s
verify benchmark results (amd64)	10m 10s
check Cargo.toml formatting	2m 55s
check configs.md is up-to-date	2m 29s
	2h 48m 16s

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