remove import

Author: JavaSaBr

rlib-io/src/test/java/javasabr/rlib/io/FileUtilsTest.java

@@ -10,7 +10,6 @@
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 import javasabr.rlib.io.util.FileUtils;
-import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 /**