[test] Remove a hackaround for supporting last year's SDKs.

We have much stronger dependencies on this year's SDKs now.

rdar://problem/19494514

Swift SVN r29451

Author: jrose-apple

test/1_stdlib/Reflection_objc.swift

@@ -255,12 +255,6 @@ class HasNumberQLO : CanaryBase {
   }
 }
 
-// Hack to build with both older and newer SDKs.
-// rdar://problem/19494514
-extension UInt {
-  static let OBJC_ASSOCIATION_RETAIN_NONATOMIC: UInt = 1
-}
-
 class HasAttributedQLO : CanaryBase {
   @objc var debugQuickLookObject: AnyObject {
     let str = NSAttributedString(string: "attributed string")

test/Interpreter/SDK/CALayer.swift

@@ -13,12 +13,6 @@ class Canary: NSObject {
 
 var CanaryAssocObjectHandle: UInt8 = 0
 
-// Hack to build with both older and newer SDKs.
-// rdar://problem/19494514
-extension UInt {
-  static let OBJC_ASSOCIATION_RETAIN_NONATOMIC: UInt = 1
-}
-
 // Attach an associated object with a loud deinit so we can see that the
 // error died.
 func hangCanary(o: AnyObject) {

test/Interpreter/SDK/c_pointers.swift

@@ -73,12 +73,6 @@ class Canary: NSObject {
 
 var CanaryAssocObjectHandle: UInt8 = 0
 
-// Hack to build with both older and newer SDKs.
-// rdar://problem/19494514
-extension UInt {
-  static let OBJC_ASSOCIATION_RETAIN_NONATOMIC: UInt = 1
-}
-
 // Attach an associated object with a loud deinit so we can see that the
 // error died.
 func hangCanary(o: AnyObject) {

test/Interpreter/SDK/objc_dealloc.swift

@@ -18,12 +18,6 @@ class Associated {
 
 var token: Int8 = 0
 
-// Hack to build with both older and newer SDKs.
-// rdar://problem/19494514
-extension UInt {
-  static let OBJC_ASSOCIATION_RETAIN_NONATOMIC: UInt = 1
-}
-
 autoreleasepool {
   let root = Root()
   objc_setAssociatedObject(root, &token, Associated(),

test/Interpreter/SDK/objc_inner_pointer.swift

@@ -14,12 +14,6 @@ class Canary: NSObject {
 var CanaryAssocObjectHandle: UInt8 = 0
 
 
-// Hack to build with both older and newer SDKs.
-// rdar://problem/19494514
-extension UInt {
-  static let OBJC_ASSOCIATION_RETAIN_NONATOMIC: UInt = 1
-}
-
 // Attach an associated object with a loud deinit so we can see that the
 // object died.
 func hangCanary(o: AnyObject) {