Remove Kubeadm upstream v1beta1 types

Signed-off-by: killianmuldoon <kmuldoon@vmware.com>

Makefile

@@ -444,9 +444,8 @@ generate-go-conversions-kubeadm-bootstrap: $(CONVERSION_GEN) ## Generate convers
 		--extra-peer-dirs=sigs.k8s.io/cluster-api/api/v1alpha4 \
 		--output-file-base=zz_generated.conversion $(CONVERSION_GEN_OUTPUT_BASE) \
 		--go-header-file=./hack/boilerplate/boilerplate.generatego.txt
-	$(MAKE) clean-generated-conversions SRC_DIRS="./bootstrap/kubeadm/types/upstreamv1beta1,./bootstrap/kubeadm/types/upstreamv1beta2,./bootstrap/kubeadm/types/upstreamv1beta3"
+	$(MAKE) clean-generated-conversions SRC_DIRS="./bootstrap/kubeadm/types/upstreamv1beta2,./bootstrap/kubeadm/types/upstreamv1beta3"
 	$(CONVERSION_GEN) \
-		--input-dirs=./bootstrap/kubeadm/types/upstreamv1beta1 \
 		--input-dirs=./bootstrap/kubeadm/types/upstreamv1beta2 \
 		--input-dirs=./bootstrap/kubeadm/types/upstreamv1beta3 \
 		--build-tag=ignore_autogenerated_kubeadm_types \

bootstrap/kubeadm/api/v1alpha4/conversion_test.go

@@ -24,7 +24,6 @@ import (
 	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
 
 	bootstrapv1 "sigs.k8s.io/cluster-api/bootstrap/kubeadm/api/v1beta1"
-	"sigs.k8s.io/cluster-api/bootstrap/kubeadm/types/upstreamv1beta1"
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
@@ -48,7 +47,6 @@ func TestFuzzyConversion(t *testing.T) {
 
 func fuzzFuncs(_ runtimeserializer.CodecFactory) []interface{} {
 	return []interface{}{
-		clusterConfigurationFuzzer,
 		// This custom functions are needed when ConvertTo/ConvertFrom functions
 		// uses the json package to unmarshal the bootstrap token string.
 		//
@@ -59,24 +57,11 @@ func fuzzFuncs(_ runtimeserializer.CodecFactory) []interface{} {
 		//
 		// This function effectively disables any fuzzing for the token by setting
 		// the values for ID and Secret to working alphanumeric values.
-		kubeadmBootstrapTokenStringFuzzerV1UpstreamBeta1,
 		kubeadmBootstrapTokenStringFuzzerV1Beta1,
 		kubeadmBootstrapTokenStringFuzzerV1Alpha4,
 	}
 }
 
-func clusterConfigurationFuzzer(obj *upstreamv1beta1.ClusterConfiguration, c fuzz.Continue) {
-	c.FuzzNoCustom(obj)
-
-	// ClusterConfiguration.UseHyperKubeImage has been removed in v1alpha4, so setting it to false in order to avoid v1beta1 --> v1alpha4 --> v1beta1 round trip errors.
-	obj.UseHyperKubeImage = false
-}
-
-func kubeadmBootstrapTokenStringFuzzerV1UpstreamBeta1(in *upstreamv1beta1.BootstrapTokenString, _ fuzz.Continue) {
-	in.ID = fakeID
-	in.Secret = fakeSecret
-}
-
 func kubeadmBootstrapTokenStringFuzzerV1Beta1(in *bootstrapv1.BootstrapTokenString, _ fuzz.Continue) {
 	in.ID = fakeID
 	in.Secret = fakeSecret