Originally posted by are you a part of the 99%?:

Surprised no one really gave you a good solution until now..
press F5 and type in the console: devcommands
After you enabled it, type "removedrops" and it will remove all the dropped items within a certain range

If you go this way, a more convenient solution can be found here:
https://www.nexusmods.com/valheim/mods/441