Remove unused import.

Author: garydgregory

src/test/java/org/apache/commons/csv/CSVFileParserTest.java

@@ -29,7 +29,6 @@
 import java.net.URL;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.util.Arrays;
 import java.util.stream.Stream;