Update halloween songs

scripts/contents/halloween.txt

@@ -2,31 +2,23 @@ https://www.youtube.com/watch?v=15ylxkhRB6c
 https://www.youtube.com/watch?v=l482T0yNkeo
 https://www.youtube.com/watch?v=sOnqjkJTMaA
 https://www.youtube.com/watch?v=jhTU7_mipB0
-https://www.youtube.com/watch?v=EMzrgXFeX_o
 https://www.youtube.com/watch?v=F3J0iwwsq-w
 https://www.youtube.com/watch?v=RZ2oXzrnti4
 https://www.youtube.com/watch?v=srz4wFAzrlQ
 https://www.youtube.com/watch?v=w0r2xpGT4fQ
-https://www.youtube.com/watch?v=zU-4NIDpMNc
-https://www.youtube.com/watch?v=cGN1AoePdPI
-https://www.youtube.com/watch?v=NeYQOpMCt2k
 https://www.youtube.com/watch?v=yIoaALzyLhY
 https://www.youtube.com/watch?v=_mDxcDjg9P4
 https://www.youtube.com/watch?v=Xo9x2mA53ms
 https://www.youtube.com/watch?v=wOW4-oWnDPw
-https://www.youtube.com/watch?v=bqgvyldP_-s
 https://www.youtube.com/watch?v=Fe93CLbHjxQ
 https://www.youtube.com/watch?v=HvyCMgAajqk
-https://www.youtube.com/watch?v=qvw7KZjfLtU
 https://www.youtube.com/watch?v=x1mV_5-bRPo
 https://www.youtube.com/watch?v=BYrgHuV9rAE
 https://www.youtube.com/watch?v=T850_HngrBw
 https://www.youtube.com/watch?v=aMwSNDRP90o
 https://www.youtube.com/watch?v=i6XX8bU-wfQ
-https://www.youtube.com/watch?v=kv6kAxQPnhY
 https://www.youtube.com/watch?v=ZlAX-QrpiOE
 https://turntablefilms.bandcamp.com/track/ghost-dance-halfby-remix
-https://www.youtube.com/watch?v=YrMK1PrvEB4
 https://www.youtube.com/watch?v=_-PgPZ3F9P4
 https://www.youtube.com/watch?v=K1lD5cE6Bwc
 https://www.youtube.com/watch?v=Wr7TAfOkEVc