remove unused imports

Author: Vladimir Kotal

opengrok-web/src/main/webapp/list.jsp

@@ -25,23 +25,14 @@ Portions Copyright (c) 2017-2018, Chris Fraire <[email protected]>.
 --%>
 <%@page errorPage="error.jsp" import="
 java.io.BufferedInputStream,
-java.io.BufferedReader,
 java.io.FileInputStream,
-java.io.FileReader,
-java.io.FileWriter,
 java.io.InputStream,
 java.io.InputStreamReader,
 java.io.Reader,
 java.net.URLEncoder,
 java.nio.charset.StandardCharsets,
-java.util.ArrayList,
-java.util.Arrays,
 java.util.List,
 java.util.Set,
-java.util.logging.Level,
-java.util.zip.GZIPInputStream,
-javax.servlet.http.HttpServletResponse,
-
 org.opengrok.indexer.analysis.AnalyzerGuru,
 org.opengrok.indexer.analysis.Definitions,
 org.opengrok.indexer.analysis.FileAnalyzer.Genre,