[gimp-help] Remove dead link from fileformats.xml

[Jacob Boerema <jboerema src gnome org>]

commit 32f593b46cb0c5dcbff7cf251f02f908b4b1ed4b
Author: Jacob Boerema <jgboerema gmail com>
Date:   Wed May 19 23:03:56 2021 -0400

    Remove dead link from fileformats.xml
    
    The whole text should probably be revised since IE7 was
    introduced in 2006 but that's for another time.

 src/using/fileformats.xml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/using/fileformats.xml b/src/using/fileformats.xml
index 3590b8ef3..95d61b6df 100644
--- a/src/using/fileformats.xml
+++ b/src/using/fileformats.xml
@@ -773,8 +773,7 @@ url="http://en.wikipedia.org/wiki/High_Efficiency_Image_File_Format";>Wikipedia</
         <para>
           If you want PNG transparency to be fully displayed by Internet
           Explorer, you can use the AlphaImageLoader DirectX filter in the
-          code of your Web page. See Microsoft Knowledge Base
-          <xref linkend="bibliography-online-microsoft-kb294714"/>.
+          code of your Web page.
           Please note, that this is not necessary for
           InternetExplorer 7 and above.
         </para>