Rollup merge of rust-lang#138703 - pudongair:master, r=workingjubilee

chore: remove redundant words in comment

remove redundant words in comment

Author: GuillaumeGomez

core/src/macros/mod.rs

@@ -1748,8 +1748,8 @@ pub(crate) mod builtin {
         /* compiler built-in */
     }
 
-    /// Provide a list of type aliases and other opaque-type-containing type definitions.
-    /// This list will be used in the body of the item it is applied to define opaque
+    /// Provide a list of type aliases and other opaque-type-containing type definitions
+    /// to an item with a body. This list will be used in that body to define opaque
     /// types' hidden types.
     /// Can only be applied to things that have bodies.
     #[unstable(