UK list cleanup

* Publitools
  * Removed this link because the channel is not from the U.K. Wikipedia says it's from Syria, LyngSat says it's from Jordan.

* Reuters
  * Removed this link because it's only broadcasting a static image with text. The Reuters TV service has been shut down, according to Wikipedia.

* Sheffield TV
  * Changed the name to Sheffield Live TV, which seems to be the official name
  * Added category

* Sky News
  * Removed two links which don't seem to work, the m3u8 file exists but the stream doesn't load.

* Sky News Arabia
  * Removed one link which is already included in the multi-quality playlist above.

* TG4
  * Removed link because this is an Irish channel that broadcasts mainly in Irish and is already in the Irish list.

* Venus TV
  * Appended "(Backup)" to one of the streams. Leaving the official stream of the website as the main one.

channels/uk.m3u

@@ -55,29 +55,17 @@ https://ooyalahd2-f.akamaihd.net/i/mtageraudio_delivery@308889/master.m3u8
 https://ooyalahd2-f.akamaihd.net/i/mtach7_delivery@348438/master.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/xT3X6L9.png" group-title="Religion",MTA Africa
 https://ooyalahd2-f.akamaihd.net/i/mtaengaudio_delivery@138280/master.m3u8
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="Arabic" tvg-logo="https://i.imgur.com/iOv6ZKK.png" group-title="",Publitools
-http://95.170.215.107/hls/m3u8/Publitools.m3u8
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/UdNEhUe.jpg" group-title="",Reuters
-http://220.158.149.28:8180/live/TV00000000000000000034@HHZT
 #EXTINF:-1 tvg-id="RT HD UK" tvg-name="RT HD UK" tvg-language="English" tvg-logo="https://i.imgur.com/ULzpPky.png" group-title="News",RT UK
 http://rt-uk.secure.footprint.net/1106.m3u8?streamType=live
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/KcPEkHh.png" group-title="",Sangat Television
 http://api.new.livestream.com/accounts/6986636/events/5362122/live.m3u8
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/eUqnYU1.png" group-title="",Sheffield TV
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/eUqnYU1.png" group-title="Local",Sheffield Live TV
 http://tv.sheffieldlive.org/hls/main.m3u8
 #EXTINF:-1 tvg-id="Sky News UK" tvg-name="Sky News UK" tvg-language="English" tvg-logo="https://i.imgur.com/WvNd8yg.png" group-title="News",Sky News
-http://ax.micaesoft.com/YMitv/YMITV_UK_UKskytv_2.m3u8
-#EXTINF:-1 tvg-id="Sky News UK" tvg-name="Sky News UK" tvg-language="English" tvg-logo="https://i.imgur.com/WvNd8yg.png" group-title="News",Sky News
-http://ax.micaesoft.com/YMitv/YMITV_US_USnasatv_1.m3u8
-#EXTINF:-1 tvg-id="Sky News UK" tvg-name="Sky News UK" tvg-language="English" tvg-logo="https://i.imgur.com/WvNd8yg.png" group-title="News",Sky News
 http://skydvn-sn-mobile-prod.skydvn.com/skynews/1404/latest.m3u8
 #EXTINF:-1 tvg-id="Sky News Arabic ARB" tvg-name="Sky News Arabic ARB" tvg-language="Arabic" tvg-logo="https://i.imgur.com/kF7TvcH.png" group-title="News",Sky News Arabia
 https://stream.skynewsarabia.com/hls/sna.m3u8
-#EXTINF:-1 tvg-id="Sky News Arabic ARB" tvg-name="Sky News Arabic ARB" tvg-language="Arabic" tvg-logo="https://i.imgur.com/kF7TvcH.png" group-title="News",Sky News Arabia
-https://stream.skynewsarabia.com/hls/sna_720.m3u8
-#EXTINF:-1 tvg-id="TG4 UK" tvg-name="TG4 UK" tvg-language="English" tvg-logo="https://i.imgur.com/5xj48vw.png" group-title="",TG4
-http://csm-e.cds1.yospace.com/csm/live/74246610.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/K1AW9O1.png" group-title="",Venus TV
 http://45.77.90.56:8080/hls/mystream.m3u8
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/K1AW9O1.png" group-title="",Venus TV
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="English" tvg-logo="https://i.imgur.com/K1AW9O1.png" group-title="",Venus TV (Backup)
 https://a.jsrdn.com/rtmp/22690/index.m3u8