清理非必要包

ibzlite-core/src/main/java/cn/ibizlab/core/extensions/service/DynamicModelConfigExService.java

@@ -83,7 +83,6 @@ public class DynamicModelConfigExService extends DynamicModelConfigServiceImpl {
             JSONObject system = null;
             String unzipPath = modelFile.getParent().replace("ibizutil", "dynamicmodel");
             if(".gz".equals(modelFile.getName().substring(modelFile.getName().lastIndexOf(".")))){
-                String fileName = modelFile.getName().substring(0,modelFile.getName().indexOf("."));
                 FileHelper.unTarGz(modelFile, unzipPath, true);
                 system = getSystem(unzipPath);
             }else if(".zip".equals(modelFile.getName().substring(modelFile.getName().lastIndexOf(".")))){

ibzlite-util/src/main/java/cn/ibizlab/util/helper/FileHelper.java

 package cn.ibizlab.util.helper;
 
-import cn.ibizlab.util.domain.FileItem;
-import cn.ibizlab.util.errors.BadRequestAlertException;
-import com.alibaba.fastjson.JSONArray;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.tools.tar.TarEntry;
 import org.apache.tools.tar.TarInputStream;
-import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
 import java.io.*;
 import java.nio.charset.Charset;
 import java.util.Enumeration;
-import java.util.List;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;