chore: 去除无用依赖

smsb-customer-manager-client/src/main/java/com/inspur/customer/object/wechat/WechatAppletUserDto.java

@@ -6,7 +6,6 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.validation.constraints.NotEmpty;
-import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Null;
 import java.io.Serializable;