Do not call ansible-galaxy install; there are no requirements anymore

Change-Id: I8979c42006049561bb7abdf3d23fa2ba8d3d5d32
diff --git a/playbooks/setup-openstack-storpool/pre.yaml b/playbooks/setup-openstack-storpool/pre.yaml
index 2b66fd8..242fbd1 100644
--- a/playbooks/setup-openstack-storpool/pre.yaml
+++ b/playbooks/setup-openstack-storpool/pre.yaml
@@ -371,12 +371,6 @@
         repo: 'https://github.com/storpool/ansible'
         dest: "{{ storpool_ansible_dir }}"
 
-    - name: Download Required Ansible Roles
-      ansible.builtin.command:
-        argv: ["ansible-galaxy", "install", "-r", "roles/requirements.yml"]
-      args:
-        chdir: "{{ storpool_ansible_dir }}"
-
     - name: Configure a Git Identity
       ansible.builtin.command:
         argv: "{{ item }}"