Removed unused import

Author: aherbert

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

@@ -30,7 +30,6 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintStream;
-import java.io.Reader;
 import java.io.StringReader;
 import java.io.StringWriter;
 import java.io.Writer;