Remove the image build and consolidate operational code under scripts

tests/run.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
-# Run the core and standalone provisioning test suites (stdlib unittest — no pytest).
+# Run CLI, bootstrap, and host provisioning checks with the project modules on the import path.
 set -euo pipefail
 cd "$(dirname "$0")/.."
+export PYTHONPATH="$PWD/scripts${PYTHONPATH:+:$PYTHONPATH}"
 python3 -m unittest discover -s tests -p 'test_*.py' -v
-PYTHONPATH=ci/scripts/init-node${PYTHONPATH:+:$PYTHONPATH} python3 -m unittest discover -s ci/scripts/init-node/tests -p 'test_*.py' -v
+python3 -m unittest discover -s tests/provisioning -p 'test_*.py' -v