Resolve renamed_and_removed_lints warning about match_on_vec_items

    warning: lint `clippy::match_on_vec_items` has been removed: `clippy::indexing_slicing` covers indexing and slicing on `Vec<_>`
       --> src/lib.rs:282:5
        |
    282 |     clippy::match_on_vec_items,
        |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
        |
        = note: `#[warn(renamed_and_removed_lints)]` on by default

Author: dtolnay

src/lib.rs

@@ -279,7 +279,6 @@
     clippy::manual_let_else,
     clippy::manual_map,
     clippy::match_like_matches_macro,
-    clippy::match_on_vec_items,
     clippy::match_same_arms,
     clippy::match_wildcard_for_single_variants, // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6984
     clippy::missing_errors_doc,