Code cleanup

Author: danvick

lib/src/fields/form_builder_date_time_picker.dart

@@ -1,7 +1,6 @@
 import 'dart:async';
 import 'dart:ui' as ui;
 
-import 'package:after_init/after_init.dart';
 import 'package:datetime_picker_formfield/datetime_picker_formfield.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -309,6 +308,7 @@ class _FormBuilderDateTimePickerState extends FormBuilderFieldState {
 
   @override
   void didInitState() {
+    super.didInitState();
     _textFieldController.text =
         initialValue == null ? '' : dateFormat.format(initialValue);
   }

lib/src/utils.dart

@@ -1,6 +1,10 @@
-String enumValueToString(Object o) => o.toString().split('.').last;
+String enumValueToString(Object o) {
+  return o.toString().split('.').last;
+}
 
-T enumValueFromString<T>(String key, Iterable<T> values) => values.firstWhere(
+T enumValueFromString<T>(String key, Iterable<T> values) {
+  return values.firstWhere(
       (v) => v != null && key == enumValueToString(v),
       orElse: () => null,
     );
+}