enable ipxe_builder to be built remove hardcoded comments

[chrisjsimpson]

Is your feature request related to a problem? Please describe.

ipxe_builder needed per docs but commented out

server-bootstrap/repo-server-bootstrap-ncl-issue-20/deploy/scripts/build-ipxe-iso.sh

Lines 30 to 34 in 4042e4a

	# echo "--- Building ${PODMAN_IMAGE_NAME} ---"
	# podman build \
	# --tag ${PODMAN_IMAGE_NAME} \
	# ${BUILD_DIR}

Describe the solution you'd like

Describe alternatives you've considered

Additional context