Update de.m3u

Remove link to www.firstonetv.eu (malware detected by scan)

Resolve #1557

channels/de.m3u

@@ -301,7 +301,7 @@ https://tvaktuellr.iptv-playoutcenter.de/tvaktuellr/tvaktuellr.stream_1/playlist
 http://tvaktuellr.iptv-playoutcenter.de:1935/tvaktuellr/tvaktuellr.stream_1/hasbahca.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="German" tvg-logo="https://www.tvaktuell.com/storage/thumbs/700x/r:1428659201/128312.jpg" group-title="",TVA Ostbayern
 http://tvaktuellr.iptv-playoutcenter.de:1935/tvaktuellr/tvaktuellr.stream_1/master.m3u8
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="German" tvg-logo="https://www.firstonetv.eu/images/logos/de/TVA.png" group-title="",TVA Ostbayern
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="German" tvg-logo="" group-title="",TVA Ostbayern
 http://tvaktuellr.iptv-playoutcenter.de:1935/tvaktuellr/tvaktuellr.stream_1/playlist.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="German" tvg-logo="" group-title="",TVO
 https://tvoberfranken.iptv-playoutcenter.de/tvoberfranken/tvoberfranken.stream_1/playlist.m3u8