Revert "Relax YouTube URL parser slightly"
Revert "Relax YouTube URL parser slightly"

This reverts commit f67ec364c9afa54d6e073e41d290d2e428e79652.

reiclone/doushio,alokal/meguca,alokal/meguca,alokal/meguca,theGaggle/sleepingpizza,reiclone/doushio,KoinoAoi/meguca,theGaggle/sleepingpizza,reiclone/doushio,vampiricwulf/tanoshiine,KoinoAoi/meguca,KoinoAoi/meguca,vampiricwulf/tanoshiine,KoinoAoi/meguca,vampiricwulf/tanoshiine,lalcmellkmal/doushio,lalcmellkmal/doushio,alokal/meguca,theGaggle/sleepingpizza,theGaggle/sleepingpizza,vampiricwulf/tanoshiine,vampiricwulf/ex-tanoshiine,theGaggle/sleepingpizza,vampiricwulf/ex-tanoshiine,reiclone/doushio,theGaggle/sleepingpizza,lalcmellkmal/doushio,reiclone/doushio,vampiricwulf/tanoshiine,vampiricwulf/ex-tanoshiine,lalcmellkmal/doushio,vampiricwulf/ex-tanoshiine,lalcmellkmal/doushio,KoinoAoi/meguca,vampiricwulf/ex-tanoshiine,alokal/meguca