Update unsorted.m3u

- added one more link to `Silence TV WORLD HD` channel
- fixes duplicate channels names

channels/unsorted.m3u

@@ -2141,8 +2141,10 @@ http://185.246.209.109:8080/SHOWTIME_SHOWCASE/index.m3u8
 http://st2.worldkast.com/8030/8030/Sitv-Honduras.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="https://i.imgur.com/k1l3hbT.jpg" group-title="Music",SignMe TV
 https://vcnswee.teleosmedia.com/stream/swee/signmetv/seglist_720p.m3u8
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="" group-title="",Silence TV WORLD HD
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="" group-title="",Silence TV WORLD HD (Opt-1)
 http://109.236.85.100:8081/SilenceTV/live/playlist.m3u8
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="" group-title="",Silence TV WORLD HD (Opt-2)
+http://93.190.140.42:8081/SilenceTV/live/playlist.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="" group-title="",SINDO TV
 http://202.80.222.175/000001/2/ch14041511541532132975/index.m3u8?virtualDomain=000001.live_hls.zte.com
 #EXTINF:-1 tvg-id="" tvg-name="Sinovision" tvg-logo="http://content.iptvprivateserver.tv/stalker_portal/misc/logos/240/915.png" group-title="",Sinovision