Remove unused import

Author: garydgregory

src/test/java/org/apache/commons/io/jmh/IOUtilsContentEqualsReadersBenchmark_2_22_0.java

@@ -20,7 +20,6 @@
 import static org.apache.commons.io.IOUtils.DEFAULT_BUFFER_SIZE;
 import static org.apache.commons.io.IOUtils.EOF;
 
-import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.Reader;