Remove print and fix code formatting (#43843)

packages/flutter/lib/src/material/app.dart

@@ -553,8 +553,9 @@ class _MaterialAppState extends State<MaterialApp> {
       key: GlobalObjectKey(this),
       navigatorKey: widget.navigatorKey,
       navigatorObservers: _navigatorObservers,
-        pageRouteBuilder: <T>(RouteSettings settings, WidgetBuilder builder) =>
-            MaterialPageRoute<T>(settings: settings, builder: builder),
+      pageRouteBuilder: <T>(RouteSettings settings, WidgetBuilder builder) {
+        return MaterialPageRoute<T>(settings: settings, builder: builder);
+      },
       home: widget.home,
       routes: widget.routes,
       initialRoute: widget.initialRoute,

packages/flutter/test/widgets/custom_painter_test.dart

@@ -432,7 +432,6 @@ void _defineTests() {
       ),
     ));
     List<SemanticsFlag> flags = SemanticsFlag.values.values.toList();
-    print('flags: $flags');
     // [SemanticsFlag.hasImplicitScrolling] isn't part of [SemanticsProperties]
     // therefore it has to be removed.
     flags.remove(SemanticsFlag.hasImplicitScrolling);