feat: 移除目标管理功能模块

删除了完整的目标管理功能，包括目标创建、编辑、任务管理等相关页面和组件。同时移除了相关的API服务、Redux状态管理、类型定义和通知功能。应用版本从1.0.20升级到1.0.21。

services/notifications.ts

@@ -526,7 +526,6 @@ export const notificationService = NotificationService.getInstance();
 // 预定义的推送通知类型
 export const NotificationTypes = {
   WORKOUT_REMINDER: 'workout_reminder',
-  GOAL_ACHIEVEMENT: 'goal_achievement',
   MOOD_CHECKIN: 'mood_checkin',
   NUTRITION_REMINDER: 'nutrition_reminder',
   PROGRESS_UPDATE: 'progress_update',
@@ -558,17 +557,7 @@ export const sendWorkoutReminder = (title: string, body: string, date?: Date) =>
   }
 };
 
-export const sendGoalAchievement = (title: string, body: string) => {
-  const notification: NotificationData = {
-    title,
-    body,
-    data: { type: NotificationTypes.GOAL_ACHIEVEMENT },
-    sound: true,
-    priority: 'high',
-  };
-
-  return notificationService.sendImmediateNotification(notification);
-};
+// sendGoalAchievement 函数已删除，因为目标功能已移除
 
 export const sendMoodCheckinReminder = (title: string, body: string, date?: Date) => {
   const notification: NotificationData = {