vc: hypervisor: remove setSandbox

The hypervisor interface implementation should not know a thing about
sandboxes.

Fixes: #2882

Signed-off-by: Eric Ernst <eric_ernst@apple.com>

src/runtime/virtcontainers/clh.go

@@ -1271,6 +1271,3 @@ func (clh *cloudHypervisor) vmInfo() (chclient.VmInfo, error) {
 func (clh *cloudHypervisor) IsRateLimiterBuiltin() bool {
 	return false
 }
-
-func (clh *cloudHypervisor) setSandbox(sandbox *Sandbox) {
-}

src/runtime/virtcontainers/fc.go

@@ -1274,6 +1274,3 @@ func revertBytes(num uint64) uint64 {
 	}
 	return 1024*revertBytes(a) + b
 }
-
-func (fc *firecracker) setSandbox(sandbox *Sandbox) {
-}

src/runtime/virtcontainers/hypervisor.go

@@ -945,6 +945,4 @@ type Hypervisor interface {
 
 	// check if hypervisor supports built-in rate limiter.
 	IsRateLimiterBuiltin() bool
-
-	setSandbox(sandbox *Sandbox)
 }

src/runtime/virtcontainers/mock_hypervisor.go

@@ -149,6 +149,3 @@ func (m *mockHypervisor) GenerateSocket(id string) (interface{}, error) {
 func (m *mockHypervisor) IsRateLimiterBuiltin() bool {
 	return false
 }
-
-func (m *mockHypervisor) setSandbox(sandbox *Sandbox) {
-}

src/runtime/virtcontainers/qemu.go

@@ -2541,6 +2541,3 @@ func (q *qemu) GenerateSocket(id string) (interface{}, error) {
 func (q *qemu) IsRateLimiterBuiltin() bool {
 	return false
 }
-
-func (q *qemu) setSandbox(sandbox *Sandbox) {
-}

src/runtime/virtcontainers/sandbox.go

@@ -525,8 +525,6 @@ func newSandbox(ctx context.Context, sandboxConfig SandboxConfig, factory Factor
 		swapDevices:     []*config.BlockDrive{},
 	}
 
-	hypervisor.setSandbox(s)
-
 	if s.store, err = persist.GetDriver(); err != nil || s.store == nil {
 		return nil, fmt.Errorf("failed to get fs persist driver: %v", err)
 	}