REmove yq usage in doc

per #88, we can remove this line for now and add back later
when the clouds.yaml format changes.

Author: jichenjc

README.md

@@ -63,7 +63,7 @@ Participation in the Kubernetes community is governed by the [Kubernetes Code of
 
 ### Cluster Creation
 
-1. Create the `cluster.yaml`, `machines.yaml`, `provider-components.yaml`, and `addons.yaml` files if needed. If you want to use the `generate-yaml.sh` script, then you will need kustomize version 1.0.11, which can be found at https://github.com/kubernetes-sigs/kustomize/releases/tag/v1.0.11, and the latest go implementation of yq, which can be found at https://github.com/mikefarah/yq. The script has the following usage:
+1. Create the `cluster.yaml`, `machines.yaml`, `provider-components.yaml`, and `addons.yaml` files if needed. If you want to use the `generate-yaml.sh` script, then you will need kustomize version 1.0.11, which can be found at https://github.com/kubernetes-sigs/kustomize/releases/tag/v1.0.11.
 
    ```bash
    cd examples/ibmcloud