crio: molecule: move variables to inventory

Fix download/file (which needs the variable to determine the correct
binaries)

roles/container-engine/cri-o/molecule/default/verify.yml

@@ -2,7 +2,6 @@
 - name: Test CRI-O cri
   import_playbook: ../../../molecule/test_cri.yml
   vars:
-    container_manager: crio
     cri_socket: unix:///var/run/crio/crio.sock
     cri_name: cri-o
 - name: Test running a container with crun