remove unused import

h2/src/main/org/h2/expression/Function.java

@@ -15,7 +15,6 @@ import java.nio.charset.StandardCharsets;
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.sql.Time;
 import java.text.DateFormatSymbols;
 import java.util.ArrayList;
 import java.util.GregorianCalendar;
@@ -31,7 +30,6 @@ import org.h2.engine.Constants;
 import org.h2.engine.Database;
 import org.h2.engine.Mode;
 import org.h2.engine.Session;
-import org.h2.jdbc.JdbcSQLException;
 import org.h2.message.DbException;
 import org.h2.mvstore.DataUtils;
 import org.h2.schema.Schema;