Don't warn about unused parens when they are used by yeet expr

compiler/rustc_lint/src/unused.rs

@@ -617,7 +617,10 @@ trait UnusedDelimLint {
         lhs_needs_parens
             || (followed_by_block
                 && match &inner.kind {
-                    ExprKind::Ret(_) | ExprKind::Break(..) | ExprKind::Yield(..) => true,
+                    ExprKind::Ret(_)
+                    | ExprKind::Break(..)
+                    | ExprKind::Yield(..)
+                    | ExprKind::Yeet(..) => true,
                     ExprKind::Range(_lhs, Some(rhs), _limits) => {
                         matches!(rhs.kind, ExprKind::Block(..))
                     }