Only by modifying the Folder View widget source code. If I remember correctly someone did that change and put it on store.kde.org
KDE
KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.
Plasma 6 Bugs
If you encounter a bug, proceed to https://bugs.kde.org, check whether it has been reported.
If it hasn't, report it yourself.
PLEASE THINK CAREFULLY BEFORE POSTING HERE.
Developers do not look for reports on social media, so they will not see it and all it does is clutter up the feed.
I don't think so, it's there to make it easy to read the text no matter what background you're using. Why do you want to remove it in the first place?
yeah I know, but on certain types of wallpapers they are not needed, so I was wondering if it was possible to remove or perhaps change the text decoration to (e.g.) outline, bold, ...
Is that shadow text or just the icon for .txt?
the shadow text for any file on the desktop