Remove redundant coreos-metadata.service from Packet

[invidian]

Packet platform defines it's own version of this service which is redundant and out of date as of today from Flatcar.

lokomotive/assets/terraform-modules/packet/flatcar-linux/kubernetes/cl/controller.yaml.tmpl

Lines 75 to 85 in 0138112

	- name: coreos-metadata.service
	enable: true
	contents: |
	[Unit]
	Description=Flatcar Metadata Agent
	[Service]
	Type=oneshot
	Environment=COREOS_METADATA_OPT_PROVIDER=--cmdline
	ExecStart=/usr/bin/coreos-metadata $${COREOS_METADATA_OPT_PROVIDER} --attributes=/run/metadata/flatcar
	[Install]
	RequiredBy=metadata.target

We should remove it, verify that provided information are still accurate and functional.