Remove @Comment around a documentation line for Windows image attachments.

This feature is now accepted/implemented/public, so remove the stray `@Comment`
annotation.

Author: grynspan

Sources/Testing/Attachments/Images/AttachableAsImage.swift

@@ -52,9 +52,7 @@
 /// |-|-|
 /// | macOS | [`CGImage`](https://developer.apple.com/documentation/coregraphics/cgimage), [`CIImage`](https://developer.apple.com/documentation/coreimage/ciimage), [`NSImage`](https://developer.apple.com/documentation/appkit/nsimage) |
 /// | iOS, watchOS, tvOS, and visionOS | [`CGImage`](https://developer.apple.com/documentation/coregraphics/cgimage), [`CIImage`](https://developer.apple.com/documentation/coreimage/ciimage), [`UIImage`](https://developer.apple.com/documentation/uikit/uiimage) |
-/// @Comment {
 /// | Windows | [`HBITMAP`](https://learn.microsoft.com/en-us/windows/win32/gdi/bitmaps), [`HICON`](https://learn.microsoft.com/en-us/windows/win32/menurc/icons), [`IWICBitmapSource`](https://learn.microsoft.com/en-us/windows/win32/api/wincodec/nn-wincodec-iwicbitmapsource) (including its subclasses declared by Windows Imaging Component) |
-/// }
 ///
 /// You do not generally need to add your own conformances to this protocol. If
 /// you have an image in another format that needs to be attached to a test,