Rename `fn scroll2` to `fn scroll` #10442

Job	Run time
android	23s
Check wasm32 + wasm-bindgen	2m 41s
Format + check + test	6m 0s
cargo-deny aarch64-apple-darwin	41s
Check Windows	1m 54s
cargo-deny aarch64-linux-android	37s
cargo-deny i686-pc-windows-gnu	42s
cargo-deny i686-pc-windows-msvc	39s
cargo-deny i686-unknown-linux-gnu	42s
cargo-deny wasm32-unknown-unknown	39s
cargo-deny x86_64-apple-darwin	40s
cargo-deny x86_64-pc-windows-gnu	38s
cargo-deny x86_64-pc-windows-msvc	41s
cargo-deny x86_64-unknown-linux-gnu	42s
cargo-deny x86_64-unknown-linux-musl	38s
cargo-deny x86_64-unknown-redox	42s
	18m 59s

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