Swift: Delete unusual blank lines

swift/Sources/GildedRose/GildedRose.swift

@@ -1,4 +1,3 @@
-
 public class GildedRose {
     var items:[Item]
     
@@ -7,7 +6,6 @@ public class GildedRose {
     }
     
     public func updateQuality() {
-        
         for i in 0..<items.count {
             if (items[i].name != "Aged Brie" && items[i].name != "Backstage passes to a TAFKAL80ETC concert") {
                 if (items[i].quality > 0) {

swift/Sources/GildedRose/Item.swift

@@ -1,4 +1,3 @@
-
 public class Item {
     public var name: String
     public var sellIn: Int

swift/Sources/GildedRoseApp/main.swift

@@ -19,7 +19,6 @@ if (CommandLine.argc > 1) {
     days = Int(CommandLine.arguments[1])! + 1
 }
 
-
 for i in 0..<days {
     print("-------- day \(i) --------");
     print("name, sellIn, quality");