Clean up logic for deprecated flag --container-runtime in kubelet

Signed-off-by: Ciprian Hacman <ciprian@hakman.dev>

pkg/kubelet/container/runtime.go

@@ -69,9 +69,6 @@ type Runtime interface {
 	// Type returns the type of the container runtime.
 	Type() string
 
-	//SupportsSingleFileMapping returns whether the container runtime supports single file mappings or not.
-	SupportsSingleFileMapping() bool
-
 	// Version returns the version information of the container runtime.
 	Version() (Version, error)
 

pkg/kubelet/container/testing/fake_runtime.go

@@ -179,10 +179,6 @@ func (f *FakeRuntime) Type() string {
 	return f.RuntimeType
 }
 
-func (f *FakeRuntime) SupportsSingleFileMapping() bool {
-	return true
-}
-
 func (f *FakeRuntime) Version() (kubecontainer.Version, error) {
 	f.Lock()
 	defer f.Unlock()

pkg/kubelet/container/testing/runtime_mock.go

@@ -124,20 +124,6 @@ func (mr *MockRuntimeMockRecorder) Type() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Type", reflect.TypeOf((*MockRuntime)(nil).Type))
 }
 
-// SupportsSingleFileMapping mocks base method
-func (m *MockRuntime) SupportsSingleFileMapping() bool {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "SupportsSingleFileMapping")
-	ret0, _ := ret[0].(bool)
-	return ret0
-}
-
-// SupportsSingleFileMapping indicates an expected call of SupportsSingleFileMapping
-func (mr *MockRuntimeMockRecorder) SupportsSingleFileMapping() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SupportsSingleFileMapping", reflect.TypeOf((*MockRuntime)(nil).SupportsSingleFileMapping))
-}
-
 // Version mocks base method
 func (m *MockRuntime) Version() (container.Version, error) {
 	m.ctrl.T.Helper()