🧹 Remove broken RSS feeds

[github-actions]

RSS Feed Health Report

Total feeds: 279
Healthy: 258
Broken: 21

Details

Title	URL	Status
Beyinsizler	https://beyinsizler.net/feed/	❌ HTTPSConnectionPool(host='beyinsizler.net', port=443): Read timed out. (read timeout=12)
DijitalX	https://www.dijitalx.com/feed/	❌ HTTPSConnectionPool(host='www.dijitalx.com', port=443): Max retries exceeded with url: /feed/ (Caused by NewConnectionError("HTTPSConnection(host='www.dijitalx.com', port=443): Failed to establish a new connection: [Errno 111] Connection refused"))
Matematiksel	https://www.matematiksel.org/feed	❌ Invalid RSS/XML
Popular Science	https://popsci.com.tr/feed/	❌ Invalid RSS/XML
Sinirbilim	https://sinirbilim.org/feed/	❌ Invalid RSS/XML
Sordum	https://www.sordum.net/feed/	❌ HTTP 403
Bilimkurgu Kulübü	https://www.bilimkurgukulubu.com/feed/	❌ HTTP 403
Kitap Haber	https://www.kitaphaber.com.tr/feed	❌ HTTP 525
Rotka	https://www.rotka.org/feed/	❌ HTTP 403
AjansSpor	https://ajansspor.com/rss	❌ HTTP 404
Fotomaç Bursaspor	https://www.fotomac.com.tr/rss/Bursaspor.xml	❌ No entries
dikGAZETE	https://www.dikgazete.com/xml/rss.xml	❌ HTTP 403
Dokuz8 Haber	https://www.dokuz8haber.net/rss	❌ HTTP 404
GZT	https://www.gzt.com/rss	❌ Invalid RSS/XML
Haberport	https://www.haberport.com/rss/latest-posts	❌ HTTP 404
İnternet Haber	https://www.internethaber.com/rss	❌ HTTP 403
KRT TV	https://www.krttv.com.tr/rss	❌ HTTP 403
T24	https://t24.com.tr/rss	❌ Invalid RSS/XML
Timeturk	https://www.timeturk.com/rss/	❌ Invalid RSS/XML
Sanayi Gazetesi	https://sanayigazetesi.com.tr/kategori/savunma-haberleri/feed/	❌ Invalid RSS/XML
Savunma Sanayi Gazetesi	https://savunmasanayigazetesi.com.tr/feed/	❌ HTTP 403
—	258 feeds	✅ OK