network, setup: Drop the redundant interface count check
network, setup: Drop the redundant interface count check

The VMI spec interfaces and networks are required to come in pairs
(1:1), therefore, there is no need to check each individually.

Signed-off-by: Edward Haas <416ab6a6c3e37a8cab0d365516e79cce8f9be5ad@redhat.com>

kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt