fixes #515

Author: wumpz

src/test/java/net/sf/jsqlparser/util/TablesNamesFinderTest.java

@@ -3,10 +3,8 @@
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.io.StringReader;
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
-import java.util.StringTokenizer;
 import net.sf.jsqlparser.JSQLParserException;
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.OracleHint;