Minor cleanup

Author: Flashky

src/main/java/com/adventofcode/flashk/common/Vector2.java

@@ -10,7 +10,6 @@
 @NoArgsConstructor
 @AllArgsConstructor
 @EqualsAndHashCode
-@ToString
 public class Vector2 {
 
 	private int x;

src/test/java/com/adventofcode/flashk/common/Vector2Test.java

@@ -623,7 +623,4 @@ void testNormalizedOrigin() {
 		assertThrows(IllegalStateException.class, () -> vector.normalized());
 
 	}
-	
-
-	
 }