install: update yaml file path for installing the kata in minikube

[YchauWang]

Description of problem

the structure of the kata-deploy in the packaging project, was divided into two directories kata-deploy and kata-rbac. The doc minikube-installation-guide.md still using the old path of the packaging project.

Expected result

the commands or files sync the path of the origin projects to the documentation project.

Actual result

The doc minikube-installation-guide.md still using the old path of the packaging project.
**
$ cd packaging/kata-deploy
$ kubectl apply -f kata-rbac.yaml
$ kubectl apply -f kata-deploy.yaml
**