削除対象スレッド：
https://egg.5ch.net/test/read.cgi/streaming/1590596165/1
https://egg.5ch.net/test/read.cgi/streaming/1600946522/1
https://egg.5ch.net/test/read.cgi/streaming/1612508587/1
https://egg.5ch.net/test/read.cgi/streaming/1612881421/1
https://egg.5ch.net/test/read.cgi/streaming/1613226150/1
https://egg.5ch.net/test/read.cgi/streaming/1613740002/1
https://egg.5ch.net/test/read.cgi/streaming/1613795909/1
https://egg.5ch.net/test/read.cgi/streaming/1613796144/1
削除理由・詳細・その他：
重複スレッドのため