Remove horriblesubs.

They shutdown. Also, remove duplicate Game of Thrones entry.

rss/transmission-rss.conf

-# vim:ff=unix:ts=2:sw=2:ai:expandtab:ft=yaml
+# vim:ft=yaml
 # yamllint disable rule:line-length
 ---
 server:
@@ -48,21 +48,12 @@ feeds:
   - url: https://showrss.info/show/522.rss
     download_path: /var/lib/transmission/downloads/TV Shows/Unbreakable Kimmy Schmidt/
     regexp: 720p
-  - url: http://horriblesubs.info/rss.php?res=1080
-    download_path: /var/lib/transmission/downloads/TV Shows/Dragon Ball Super/
-    regexp: Dragon Ball Super
   - url: https://showrss.info/show/820.rss
     download_path: /var/lib/transmission/downloads/TV Shows/Twin Peaks/
     regexp: 720p
   - url: https://showrss.info/show/811.rss
     download_path: /var/lib/transmission/downloads/TV Shows/The Handmaid's Tale/
     regexp: 720p
-  - url: http://horriblesubs.info/rss.php?res=1080
-    download_path: /var/lib/transmission/downloads/TV Shows/One-Punch Man/
-    regexp: One-Punch Man
-  - url: https://showrss.info/show/262.rss
-    download_path: /var/lib/transmission/downloads/TV Shows/Game of Thrones/
-    regexp: 720p
   - url: https://showrss.info/show/314.rss
     download_path: /var/lib/transmission/downloads/TV Shows/Top Chef/
     regexp: 720p