Removes Ansible reinstall from pipeline (#10032)

tests/scripts/testcases_prepare.sh

@@ -1,9 +1,6 @@
 #!/bin/bash
 set -euxo pipefail
 
-/usr/bin/python -m pip uninstall -y ansible ansible-base ansible-core
-/usr/bin/python -m pip install -r tests/requirements.txt
-ansible-galaxy install -r tests/requirements.yml
 mkdir -p /.ssh
 mkdir -p cluster-dump
 mkdir -p $HOME/.ssh

tests/scripts/vagrant_clean.sh

@@ -3,8 +3,6 @@ set -euxo pipefail
 
 # Cleanup vagrant VMs to avoid name conflicts
 
-apt-get install -y libvirt-clients
-
 for i in $(virsh list --name)
 do
     virsh destroy "$i"