Fix Pixelated Fonts on Debian 12 Flatpak

Although Debian is supposed to be the among the most stable Distros out there, there are a few glaring issues.

Helvetica and other fonts looking blurry or pixelated on some applications running as Flatpaks.

The simplest solution is to, remove the offending default font:

sudo apt remove xfonts-base xfonts-100dpi xfonts-75dpi

Thanks to this issue on the Flatpak GitHub repo from jasongodev (webiste).