doc/helm/dev: remove apply of RBAC definitions (#1668)

Author: madorn

doc/helm/dev/developer_guide.md

@@ -279,17 +279,15 @@ sudo mkdir -p /opt/helm/helm-charts
 sudo ln -s $PWD/helm-charts/<name> /opt/helm/helm-charts/<name>
 ```
 
-Create a Custom Resource Definition (CRD) and proper Role-Based Access Control
-(RBAC) definitions for resource Foo. `operator-sdk` autogenerates these files
+Create a Custom Resource Definition (CRD) for resource Foo. `operator-sdk` autogenerates this file
 inside of the `deploy` folder:
 
 ```sh
 kubectl create -f deploy/crds/foo_v1alpha1_foo_crd.yaml
-kubectl create -f deploy/service_account.yaml
-kubectl create -f deploy/role.yaml
-kubectl create -f deploy/role_binding.yaml
 ```
 
+**NOTE:** When running the Helm operator locally, the `up local` command will default to using the kubeconfig file specified by `$KUBECONFIG` with a fallback to `$HOME/.kube/config` if not set. In this case, the autogenerated RBAC definitions do not need to be applied to the cluster.
+
 Run the `up local` command:
 
 ```sh