删除user_ex的country字段

Model/models.py

@@ -752,7 +752,6 @@ class UserExModel(models.Model):
     userID = models.ForeignKey(Device_User, to_field='userID', on_delete=models.CASCADE)
     appBundleId = models.CharField(default='', max_length=32, verbose_name=u'appID')
     region = models.CharField(default='', max_length=16, verbose_name='区域语言')
-    country = models.CharField(default='', max_length=100, verbose_name='国家名称')
     addTime = models.IntegerField(verbose_name='添加时间', default=0)
     updTime = models.IntegerField(verbose_name='更新时间', default=0)