remove test code

VoidLink/ViewControllers/HostCollectionViewController.m

@@ -132,8 +132,6 @@ static const CGFloat cellOffsetY = 20;
 
 - (void)addHost:(TemporaryHost *)host {
     if(![self.items containsObject:host]){
-        [self.items addObject:host];
-        [self.items addObject:host];
         [self.items addObject:host];
         [self.collectionView reloadData];
     }
@@ -146,7 +144,6 @@ static const CGFloat cellOffsetY = 20;
     }
 }
 
-
 - (void)removeLastItem {
     if (self.items.count > 0) {
         [self.items removeLastObject];