Remove useless file (#11526)

This was somehow copied from vagrant docs, not sure why it's there...

run.rc

-# use virtualenv to install all python requirements
-VENVDIR=venv
-python3 -m venv $VENVDIR
-source $VENVDIR/bin/activate
-pip install --upgrade pip
-pip install wheel
-pip install --upgrade setuptools
-pip install -r requirements.txt
-pip install -r tests/requirements.txt
-ansible-galaxy install -r tests/requirements.yml
-pre-commit install
-# prepare an inventory to test with
-INV=inventory/lab
-rm -rf ${INV}.bak &> /dev/null
-mv ${INV} ${INV}.bak &> /dev/null
-cp -a inventory/sample ${INV}
-rm -f ${INV}/hosts.ini
-
-# customize the vagrant environment
-mkdir vagrant
-cat << EOF > vagrant/config.rb
-\$instance_name_prefix = kub"
-\$vm_cpus = 2
-\$num_instances = 3
-\$os = "almalinux8"
-\$subnet = "192.168.56"
-\$network_plugin = "calico"
-\$inventory = "$INV"
-\$shared_folders = { 'temp/docker_rpms' => "/var/cache/yum/x86_64/7/docker-ce/packages" }
-EOF
-
-# make the rpm cache
-mkdir -p temp/docker_rpms
-
-vagrant up
-
-# make a copy of the downloaded docker rpm, to speed up the next provisioning run
-scp kub-1:/var/cache/yum/x86_64/7/docker-ce/packages/* temp/docker_rpms/
-
-# copy kubectl access configuration in place
-mkdir $HOME/.kube/ &> /dev/null
-ln -s $PWD/$INV/artifacts/admin.conf $HOME/.kube/config
-# make the kubectl binary available
-sudo ln -s $PWD/$INV/artifacts/kubectl /usr/local/bin/kubectl
-#or
-export PATH=$PATH:$PWD/$INV/artifacts