[openwrt/openwrt] projectsmirrors: remove some GNOME mirrors

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/4b3b16be70b8e68eb27fb8a0cc75906aa471e7a9

commit 4b3b16be70b8e68eb27fb8a0cc75906aa471e7a9
Author: Shiji Yang <yangshiji66 at outlook.com>
AuthorDate: Thu Jul 24 18:50:50 2025 +0800

    projectsmirrors: remove some GNOME mirrors
    
    These removed sites no longer provide GNOME mirror services.
    
    Signed-off-by: Shiji Yang <yangshiji66 at outlook.com>
    Link: https://github.com/openwrt/openwrt/pull/19509
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 scripts/projectsmirrors.json | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/scripts/projectsmirrors.json b/scripts/projectsmirrors.json
index 847fb6e6e3..3e02a90ab1 100644
--- a/scripts/projectsmirrors.json
+++ b/scripts/projectsmirrors.json
@@ -56,10 +56,7 @@
 	"@GNOME": [
 		"https://download.gnome.org/sources",
 		"https://mirror.csclub.uwaterloo.ca/gnome/sources",
-		"https://ftp.acc.umu.se/pub/GNOME/sources",
-		"http://ftp.cse.buffalo.edu/pub/Gnome/sources",
-		"http://ftp.nara.wide.ad.jp/pub/X11/GNOME/sources",
-		"https://mirrors.ustc.edu.cn/gnome/sources"
+		"http://ftp.nara.wide.ad.jp/pub/X11/GNOME/sources"
 	],
 	"@OPENWRT": [
 		"https://sources.cdn.openwrt.org",