remove whitespace walk_const_arg

Author: BoxyUwU

compiler/rustc_hir/src/intravisit.rs

@@ -1081,7 +1081,6 @@ pub fn walk_const_arg<'v, V: Visitor<'v>>(
 ) -> V::Result {
     let ConstArg { hir_id, kind } = const_arg;
     try_visit!(visitor.visit_id(*hir_id));
-
     match kind {
         ConstArgKind::Struct(qpath, field_exprs) => {
             try_visit!(visitor.visit_qpath(qpath, *hir_id, qpath.span()));