Revert flag for watchOS

Sources/Views/AnimatedImageView.swift

@@ -31,6 +31,7 @@
 //  The name and characters used in the demo of this software are property of their
 //  respective owners.
 
+#if !os(watchOS)
 #if canImport(UIKit)
 import UIKit
 import ImageIO
@@ -611,3 +612,4 @@ class SafeArray<Element> {
     }
 }
 #endif
+#endif