Init problems after install for the proof-of-concept scenario - Missing Step?

Still some issue here: trying to remove all packages etc


root@vm1:/var/lib/maas# apt list --installed | grep maas

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

root@vm1:/var/lib/maas# snap list
Name        Version             Rev    Tracking       Publisher       Notes
core        16-2.61.4-20240607  17200  latest/stable  canonical✓      core
core18      20240612            2829   latest/stable  canonical✓      base
core20      20240416            2318   latest/stable  canonical✓      base
core22      20240419            1439   latest/stable  canonical✓      base
core24      20240528            423    latest/stable  canonical✓      base
helm        3.15.4              421    latest/stable  snapcrafters✪   classic
jq          1.5+dfsg-1          6      latest/stable  mvo✪            -
kubectl     1.30.4              3344   latest/stable  canonical✓      classic
kubectx     0.9.5               48     latest/stable  mhalano         classic
lxd         4.0.10-e664786      29619  4.0/stable/…   canonical✓      -
snapd       2.63                21759  latest/stable  canonical✓      snapd
terragrunt  0+git.ae675d6       16     latest/stable  terraform-snap  -
root@vm1:/var/lib/maas# dpkg -l | grep maas
root@vm1:/var/lib/maas# which maas
/usr/local/bin/maas


Overall reseach on OS an following this article https://askubuntu.com/questions/370347/unable-to-uninstall-maas-completely :

find / -iname maas
/usr/local/bin/maas
/usr/local/lib/python3.10/dist-packages/maas
root@vm1:/var/lib/maas# ls -l /etc/maas/
total 0
root@vm1:/var/lib/maas# ls -l /usr/local/bin/
activate-global-python-argcomplete            normalizer                                    pip3                                          python-argcomplete-check-easy-install-script  register-python-argcomplete
maas                                          pip                                           pip3.10                                       python-argcomplete-tcsh                       wsdump
root@vm1:/var/lib/maas# ls -l /usr/local/lib/python3.10/dist-packages/maas
total 4
drwxr-xr-x 7 root root 4096 Aug  8 11:27 client
root@vm1:/var/lib/maas# ls -l /usr/local/lib/python3.10/dist-packages/maas/client/
total 40
drwxr-xr-x 3 root root 4096 Aug  8 11:27 bones
-rw-r--r-- 1 root root 4053 Aug  8 11:27 enum.py
-rw-r--r-- 1 root root  520 Aug  8 11:27 errors.py
-rw-r--r-- 1 root root 7012 Aug  8 11:27 facade.py
drwxr-xr-x 3 root root 4096 Aug  8 11:27 flesh
-rw-r--r-- 1 root root 1399 Aug  8 11:27 __init__.py
drwxr-xr-x 2 root root 4096 Aug  8 11:27 __pycache__
drwxr-xr-x 3 root root 4096 Aug  8 11:27 utils
drwxr-xr-x 3 root root 4096 Aug  8 11:27 viscera

How to