Stop using slave_scripts/install-distro-packages.sh

Migrate the legacy job to start using our bindep role from zuul-jobs.
This will allow openstack-infra to delete
slave_scripts/install-distro-packages.sh in the future.

Change-Id: I3ac3e49b1c6308398c0e7b38f9a6e7329d049f2f
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

playbooks/legacy/mistral-ha/run.yaml

@@ -1,5 +1,9 @@
 - hosts: all
   name: Autoconverted job legacy-mistral-ha from old job gate-mistral-ha-ubuntu-xenial-nv
+  roles:
+    - role: bindep
+      bindep_dir: "{{ ansible_user_dir }}/workspace"
+
   tasks:
 
     - name: Ensure legacy workspace directory
@@ -36,11 +40,6 @@
         chdir: '{{ ansible_user_dir }}/workspace'
       environment: '{{ zuul | zuul_legacy_vars }}'
 
-    - shell:
-        cmd: /usr/local/jenkins/slave_scripts/install-distro-packages.sh
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
-
     - shell:
         cmd: |
           # TODO: this is a temporary solution that puts all installation