Remove deprecated initializers

Mobile Buy SDK/Mobile Buy SDK/Models/Persistent/BUYLineItem.h

@@ -31,10 +31,8 @@
 
 @interface BUYLineItem : _BUYLineItem {}
 
-- (instancetype)initWithVariant:(BUYProductVariant *)variant NS_DEPRECATED_IOS(8_0, 9_0, "Use `BUYModelManager` to create new instances of model objects instead");
-- (instancetype)initWithCartLineItem:(BUYCartLineItem *)cartLineItem NS_DEPRECATED_IOS(8_0, 9_0, "Use `BUYModelManager` to create new instances of model objects instead");
-
-@property (readonly) NSString *lineItemIdentifier NS_DEPRECATED_IOS(8_0, 9_0);
+- (void)updateWithVariant:(BUYProductVariant *)variant;
+- (void)updateWithLineItem:(BUYCartLineItem *)lineItem;
 
 @end
 

Mobile Buy SDK/Mobile Buy SDK/Models/Persistent/BUYLineItem.m

@@ -34,24 +34,6 @@
 
 @implementation BUYLineItem
 
-/**
- *  Have model manager responsible for instantiation, and allow deprecated
- *  initializers for backwards compatability
- */
-- (instancetype)initWithCartLineItem:(BUYCartLineItem *)cartLineItem
-{
-	BUYLineItem *lineItem = [[BUYLineItem alloc] initWithModelManager:cartLineItem.modelManager JSONDictionary:nil];
-	[lineItem updateWithLineItem:cartLineItem];
-	return lineItem;
-}
-
-- (instancetype)initWithVariant:(BUYProductVariant *)variant
-{
-	BUYLineItem *lineItem = [[BUYLineItem alloc] initWithModelManager:variant.modelManager JSONDictionary:nil];
-	[lineItem updateWithVariant:variant];
-	return lineItem;
-}
-
 - (void)updateWithVariant:(BUYProductVariant *)variant
 {
 	self.variantId = variant.identifier;
@@ -69,11 +51,6 @@
 	self.quantity = lineItem.quantity;
 }
 
-- (NSString *)lineItemIdentifier
-{
-	return self.identifier;
-}
-
 @end
 
 @implementation BUYModelManager (BUYLineItemCreation)

Mobile Buy SDK/Mobile Buy SDK/Models/Transient/BUYCheckout.m

@@ -115,7 +115,9 @@
 - (void)updateWithCart:(BUYCart *)cart
 {
 	NSArray *lineItems = [[cart.lineItems array] buy_map:^id(BUYCartLineItem *cartLineItem) {
-		return [[BUYLineItem alloc] initWithCartLineItem:cartLineItem];
+		BUYLineItem *lineItem = [self.modelManager buy_objectWithEntityName:[BUYLineItem entityName] JSONDictionary:nil];
+		[lineItem updateWithLineItem:cartLineItem];
+		return lineItem;
 	}];
 	self.lineItems = [NSOrderedSet orderedSetWithArray:lineItems];
 }