remove override of node affinity for sriov-network-operator chart

[adrianchiris]

When [1] is merged we can just take that chart and remove the override we have in helm values [2]

while at it, we can also remove the toleration and possibly any other value that is identical to the default.

[1] https://github.com/k8snetworkplumbingwg/sriov-network-operator/pull/444 [2] https://github.com/Mellanox/network-operator/blob/db60a324f497869bf00b17b920fcd76351ecddf7/deployment/network-operator/values.yaml#L69

[adrianchiris]

update: https://github.com/k8snetworkplumbingwg/sriov-network-operator/pull/444 was merged.