Update according to feedback

Signed-off-by: David Kwon <[email protected]>

Author: dkwon17

docs/grafana/README.md

@@ -15,7 +15,7 @@ To quickly test metrics locally (without installing Prometheus Grafana in the cl
     ```
 2. Get the serviceaccount's token to enable local access to metrics
     ```bash
-    TOKEN=$(kubectl create token devworkspace-controller-serviceaccount -n ${NAMESPACE} --duration=1h | base64 --decode)
+    TOKEN=$(kubectl create token devworkspace-controller-serviceaccount -n ${NAMESPACE} --duration=1h)
     ```
       NOTE: For development purposes, a non-expiring token can be created instead: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/#manually-create-a-long-lived-api-token-for-a-serviceaccount
 3. In another terminal, use `kubectl port-forward` to expose the controller's service locally