Allow too many arguments (#26375)

This is nearly half of our #allows, and seems like something we happily
break whenever we need

Release Notes:

- N/A

crates/multi_buffer/src/multi_buffer.rs

@@ -2982,7 +2982,6 @@ impl MultiBuffer {
         snapshot.check_invariants();
     }
 
-    #[allow(clippy::too_many_arguments)]
     fn recompute_diff_transforms_for_edit(
         &self,
         edit: &Edit<TypedOffset<Excerpt>>,