Complete snap removed and Flatpak installation 

In this video I show you step by step how to correctly remove snap packages, in addition to installing and enabling flathub with a graphical interface.
Removing snaps:
snap list
sudo snap remove --purge [package]
remove the snap manager itself (snapd):
sudo apt purge --auto-remove snapd
block snap:
sudo nano /etc/apt/preferences.d/nosnap.pref
Package: snapd
Pin: release a=*
Pin-Priority: -10
flatpak and Flathub installation:
sudo apt install flatpak
sudo apt install gnome-software-plugin-flatpak
"flatpak remote-add --if-not-exists flathub\
dl.flathub.org..."
reboot
sudo Flatpak install flathub
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0:18 Listing and removing snaps
2:17 Block snap
3:32 Installing Flatpak
4:00 Enabling FlatHub
5:19 Done and installing Google Chorme