remove dead unit test target (#493)

Makefile

@@ -78,9 +78,6 @@ vet: ## Run go vet against code.
 test: manifests gen-semver fmt vet envtest ## Run tests.
 	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) -p path)" go test ./... -coverprofile cover.out
 
-unit-test:
-	go clean -cache && go test -v -coverprofile=c.out ./controllers/csm*
-
 controller-unit-test:
 	go clean -cache && go test -v -coverpkg=github.com/dell/csm-operator/pkg/logger,github.com/dell/csm-operator/pkg/resources/daemonset,github.com/dell/csm-operator/pkg/resources/deployment,github.com/dell/csm-operator/pkg/resources/configmap,github.com/dell/csm-operator/pkg/resources/serviceaccount,github.com/dell/csm-operator/pkg/resources/rbac,github.com/dell/csm-operator/pkg/resources/csidriver,github.com/dell/csm-operator/pkg/constants,github.com/dell/csm-operator/controllers -coverprofile=c.out github.com/dell/csm-operator/controllers