kubelet.spec: Remove deps: conntrack*/iproute*/ethtool

According to [1] & [2], the kubelet is no longer relying on the
following binaries:
- conntrack since Kubernetes 1.24.
- iproute / iproute2
- ethtool

Thus drop the dependencies.

[1] coreos/rhel-coreos-config#42
[2] #4106

Author: travier

cmd/krel/templates/latest/kubelet/kubelet.spec

@@ -21,15 +21,9 @@ Requires: iptables >= 1.4.21
 Requires: {{ $dep.Name }} {{ $dep.VersionConstraint }}
 {{ end }}
 %if "%{_vendor}" == "debbuild"
-Requires: iproute2
 Requires: mount
-Requires: conntrack
-%else
-Requires: iproute
-Requires: conntrack-tools
 %endif
 Requires: util-linux
-Requires: ethtool
 
 %if "%{_vendor}" == "debbuild"
 BuildRequires: systemd-deb-macros