Reformat use declarations.

The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.

compiler/rustc_errors/src/error.rs

@@ -1,11 +1,10 @@
-use rustc_error_messages::{
-    fluent_bundle::resolver::errors::{ReferenceKind, ResolverError},
-    FluentArgs, FluentError,
-};
 use std::borrow::Cow;
 use std::error::Error;
 use std::fmt;
 
+use rustc_error_messages::fluent_bundle::resolver::errors::{ReferenceKind, ResolverError};
+use rustc_error_messages::{FluentArgs, FluentError};
+
 #[derive(Debug)]
 pub enum TranslateError<'args> {
     One {