As the name says it hides quest level from Quest Journal. And it hides "red skull" from active quest.
Look on pictures for explanation. I tried not to show spoilers.
Why this mod?
Well, people already use mods like "monster level not shown" and " no item levels". And if you are like me and you use mods like ESGO that scales everything in the game, you probably dont want to see quest level in Quest Journal.
Mod is very simple. It changes files : hudModuleQuests.ws and journalQuestMenu.ws
If you use some mods that modifies that certain files ,like firendlyHUD ,then you will need to merged it , but its very simple.
I didnt personally created this mod. I asked on Witcher 3 forum and one good modder helped me.
So all the credits go to him. Thank you smalldjo.
If you plan to use modified files for your own work please ask him for permission. Even though he didnt seem very concerned about that.