code clean up

src/main/java/org/codelibs/fess/crawler/transformer/FessTransformer.java

@@ -15,7 +15,6 @@
  */
 package org.codelibs.fess.crawler.transformer;
 
-import java.net.URI;
 import java.net.URLDecoder;
 import java.util.Arrays;
 import java.util.Collections;

src/main/java/org/codelibs/fess/ds/impl/GitBucketDataStoreImpl.java

@@ -18,7 +18,6 @@ package org.codelibs.fess.ds.impl;
 import java.io.InputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.net.URLEncoder;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -30,7 +29,6 @@ import java.util.stream.Collectors;
 import org.codelibs.core.lang.StringUtil;
 import org.codelibs.elasticsearch.runner.net.Curl;
 import org.codelibs.elasticsearch.runner.net.CurlResponse;
-import org.codelibs.fess.Constants;
 import org.codelibs.fess.crawler.client.CrawlerClientFactory;
 import org.codelibs.fess.crawler.client.http.HcHttpClient;
 import org.codelibs.fess.crawler.client.http.RequestHeader;