Move Echo24 to Polish iptv channels.

channels/cz.m3u

@@ -1,6 +1,4 @@
 #EXTM3U
-#EXTINF:-1 tvg-id="Echo24.cz" tvg-name="Echo24" tvg-country="CZ;PL" tvg-language="Czech" tvg-logo="https://i.imgur.com/a5DX4nh.jpg" group-title="",Echo24 (720p)
-https://live-insysgo.cf.insyscd.net/echo24.720.smil/manifest.mpd
 #EXTINF:-1 tvg-id="ElektrikaTV.cz" tvg-name="Elektrika TV" tvg-country="CZ" tvg-language="Czech" tvg-logo="" group-title="",Elektrika TV (360p)
 http://rtmp.elektrika.cz/live/myStream.sdp/playlist.m3u8
 #EXTINF:-1 tvg-id="Nova.cz" tvg-name="Nova" tvg-country="CZ" tvg-language="" tvg-logo="https://upload.wikimedia.org/wikipedia/commons/2/2f/TV_Nova_logo_2017.png" group-title="",Nova (640p)

channels/pl.m3u

@@ -77,3 +77,5 @@ http://176.107.129.219/media/tvt/index.m3u8
 http://gargoyle.tomkow.pl/hls/tvt.m3u8
 #EXTINF:-1 tvg-id="Belsat.pl" tvg-name="Белсат" tvg-country="BY" tvg-language="Russian" tvg-logo="" group-title="",Белсат (1080p)
 http://f1.stream.devkom.pro:1063/ramowka/video.m3u8
+#EXTINF:-1 tvg-id="Echo24.tv" tvg-name="Echo24" tvg-country="PL" tvg-language="Polish" tvg-logo="https://i.imgur.com/a5DX4nh.jpg" group-title="",Echo24 (720p)
+https://live-insysgo.cf.insyscd.net/echo24.720.smil/manifest.mpd