docs: Update known issues

Author: kamilburda

docs/sections/Known Issues.md

@@ -6,9 +6,4 @@ If so, simply select the dialog in the taskbar to bring it up.
 
 If you run GIMP using the official AppImage, `None` will be displayed as an option for a `Current Image`/`Current Layer` parameter in a procedure, even if the parameter does not allow omitting an image/layer. This will be fixed in a future version of GIMP.
 
-The following file formats require displaying a file format dialog for each image to be exported:
-* C source,
-* HTML.
-
-On Windows, exporting with the following file formats does not work properly if file paths contain accented (Unicode) characters:
-* X PixMap Image.
+The `C source` and `HTML` file formats require displaying a file format dialog for each image to be exported. This will be fixed in a future version of GIMP.