Most Linux distributions have a set of default folders, such as
Pictures, etc., in the home directory.
If you just delete them, they will automatically reappear. Here is how to remove the permanently.
In the following file
outcomment all the lines corresponding to the unwanted folders.
3. Delete the Folders
Delete the unwanted folders and all their content:
rm -rf ~/Documents ~/Downloads ~/Music # etc.
Now they should never reappear again.