Remove ignore of deleted filter_map clippy lint

    warning: lint `clippy::filter_map` has been removed: this lint has been replaced by `manual_filter_map`, a more specific lint
     --> macro/src/lib.rs:6:5
      |
    6 |     clippy::filter_map,
      |     ^^^^^^^^^^^^^^^^^^
      |
      = note: `#[warn(renamed_and_removed_lints)]` on by default

macro/src/lib.rs

@@ -3,7 +3,6 @@
     clippy::default_trait_access,
     clippy::doc_markdown,
     clippy::enum_glob_use,
-    clippy::filter_map,
     clippy::if_same_then_else,
     clippy::inherent_to_string,
     clippy::items_after_statements,