remove unused imports

h2/src/main/org/h2/value/Value.java

@@ -24,7 +24,6 @@ import org.h2.constant.SysProperties;
 import org.h2.engine.Constants;
 import org.h2.engine.Database;
 import org.h2.message.DbException;
-import org.h2.store.DataHandler;
 import org.h2.store.LobStorageBackend;
 import org.h2.tools.SimpleResultSet;
 import org.h2.util.DateTimeUtils;

h2/src/test/org/h2/test/db/Db.java

@@ -8,7 +8,6 @@ package org.h2.test.db;
 
 import java.io.InputStream;
 import java.sql.Connection;
-import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
@@ -19,8 +18,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.h2.util.JdbcUtils;
-
 /**
  * A simple wrapper around the JDBC API.
  * Currently used for testing.