Revert "Pin multus to v4.1.0"

This reverts commit 14afcbf in order to
consume latest multus.
This is needed in order to get net-attach-def client v1.7.3 [0] that
can consume the UDN interfaces.

[0] k8snetworkplumbingwg/multus-cni#1336

Signed-off-by: Ram Lavi <ralavi@redhat.com>

contrib/kind-common

@@ -394,11 +394,9 @@ install_kubevirt_ipam_controller() {
 }
 
 install_multus() {
-  local version="v4.1.0"
-  echo "Installing multus-cni $version daemonset ..."
-  wget -qO- "https://raw.githubusercontent.com/k8snetworkplumbingwg/multus-cni/${version}/deployments/multus-daemonset.yml" |\
-    sed -e "s|multus-cni:snapshot|multus-cni:${version}|g" |\
-    run_kubectl apply -f -
+  echo "Installing multus-cni daemonset ..."
+  multus_manifest="https://raw.githubusercontent.com/k8snetworkplumbingwg/multus-cni/master/deployments/multus-daemonset.yml"
+  run_kubectl apply -f "$multus_manifest"
 }
 
 install_mpolicy_crd() {