[gimp-web] content: remove closing parenthese (opening one was removed).

[Jehan <jehanp src gnome org>]

commit a74c483277839ae5055dd0828d5eed69b98519b0
Author: Jehan <jehan girinstud io>
Date:   Mon Dec 6 12:51:29 2021 +0100

    content: remove closing parenthese (opening one was removed).

 content/news/2021/2021-12_GIMP-2.99.8_for_macOS/index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/content/news/2021/2021-12_GIMP-2.99.8_for_macOS/index.md 
b/content/news/2021/2021-12_GIMP-2.99.8_for_macOS/index.md
index ca59d4f8..60480e61 100644
--- a/content/news/2021/2021-12_GIMP-2.99.8_for_macOS/index.md
+++ b/content/news/2021/2021-12_GIMP-2.99.8_for_macOS/index.md
@@ -60,7 +60,7 @@ macOS developers at once. In fact, this is the second time this year that we
 publish a [macOS-only](https://www.gimp.org/news/2020/12/25/gimp-2-10-22-released-macos/)
 news post, which is not a good sign at all. It means being able to release
 improvements for this operating system is exceptional enough that we feel like
-we should inform people).
+we should inform people.
 
 So we re-iterate our call for contributors. Do you like GIMP? Do you use
 macOS and have technical knowledge and skills for packaging and/or