vendor: cadvisor v0.39.0

Main upgrades:
- github.com/opencontainers/runc v1.0.0-rc93
- github.com/containerd/containerd v1.4.4
- github.com/docker/docker v20.10.2
- github.com/mrunalp/fileutils v0.5.0
- github.com/opencontainers/selinux v1.8.0
- github.com/cilium/ebpf v0.2.0

vendor/github.com/cilium/ebpf/abi.go

@@ -88,12 +88,6 @@ type ProgramABI struct {
 	Type ProgramType
 }
 
-func newProgramABIFromSpec(spec *ProgramSpec) *ProgramABI {
-	return &ProgramABI{
-		spec.Type,
-	}
-}
-
 func newProgramABIFromFd(fd *internal.FD) (string, *ProgramABI, error) {
 	info, err := bpfGetProgInfoByFD(fd)
 	if err != nil {