[gspell] docs: small update to hacking file

[Sébastien Wilmet <swilmet src gnome org>]

commit 47ca81e7ac8d7772e36637845f9542c4812ef9b8
Author: Sébastien Wilmet <sw swilmet be>
Date:   Wed May 26 02:17:11 2021 +0200

    docs: small update to hacking file
    
    The additional pages on the wiki have been moved here in git.

 HACKING | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/HACKING b/HACKING
index 7bb0ec6..69a8185 100644
--- a/HACKING
+++ b/HACKING
@@ -25,7 +25,3 @@ The gspell GitLab:
 
 See the text files in the docs/ directory (if you're looking to integrate
 gspell with *Flatpak*, it's there ;-) ).
-
-There are also some notes on the wiki:
-
-    https://wiki.gnome.org/Projects/gspell