Fix-up for copy-pasta (TimeZone)

Author: xwu

Foundation/TimeZone.swift

@@ -225,9 +225,7 @@ public struct TimeZone : Hashable, Equatable, ReferenceConvertible {
 
 extension TimeZone : CustomStringConvertible, CustomDebugStringConvertible, CustomReflectable {
     private var _kindDescription : String {
-        if (self == TimeZone.autoupdatingCurrent) {
-            return "autoupdatingCurrent"
-        } else if (self == TimeZone.current) {
+        if (self == TimeZone.current) {
             return "current"
         } else {
             return "fixed"