Remove the image build and consolidate operational code under scripts

Makefile

@@ -7,7 +7,7 @@ lint:
 	@if command -v ruff >/dev/null 2>&1; then \
 		ruff check . scripts/bootstrap-node; \
 	else \
-		python3 -m compileall -q engine actions tests ci/scripts scripts && \
+		python3 -m compileall -q actions tests scripts && \
 		python3 -m py_compile scripts/bootstrap-node && \
 		echo "ruff not installed in PATH; verified python bytecode compilation."; \
 	fi