Code Refactoring : Extracted logic of sellin days to new method.

Java/src/main/java/com/gildedrose/GildedRose.java

@@ -60,6 +60,7 @@ class GildedRose {
         }
     }
     
+    
 	private void updateSellInDays(Item item) {
 		item.sellIn--;
 	}

Java/src/test/java/com/gildedrose/GildedRoseTest.java

@@ -5,7 +5,6 @@ import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class GildedRoseTest {
-
 	@Test
 	void testUpdateSellInDaysForAgedBrie() {
 		Item[] items = new Item[] { new Item("Aged Brie", 1, 1) };