Remove unnecessary Comment#slice calls (#6997)

crates/ruff_python_formatter/src/other/comprehension.rs

@@ -38,8 +38,7 @@ impl FormatNodeRule<Comprehension> for FormatComprehension {
         let comments = f.context().comments().clone();
         let dangling_item_comments = comments.dangling(item);
         let (before_target_comments, before_in_comments) = dangling_item_comments.split_at(
-            dangling_item_comments
-                .partition_point(|comment| comment.slice().end() < target.start()),
+            dangling_item_comments.partition_point(|comment| comment.end() < target.start()),
         );
 
         let trailing_in_comments = comments.dangling(iter);

crates/ruff_python_formatter/src/other/parameters.rs

@@ -127,7 +127,7 @@ impl FormatNodeRule<Parameters> for FormatParameters {
                     let assignment = assign_argument_separator_comment_placement(
                         slash.as_ref(),
                         star.as_ref(),
-                        comment.slice().range(),
+                        comment.range(),
                         comment.line_position(),
                     )
                     .expect("Unexpected dangling comment type in function parameters");