Remove extra line

Author: Hardvan

src/test/java/com/thealgorithms/others/SudokuTest.java

@@ -8,7 +8,6 @@
 import org.junit.jupiter.params.provider.CsvSource;
 import org.junit.jupiter.params.provider.MethodSource;
 
-
 public class SudokuTest {
 
     /**