tasks: neutron_install: Fix virtualenv-tools issue on openSUSE

openSUSE is also suffering from the same virtualenv-tools issue so
we need to remove the existing python-2.7 symlink.

Link: fireteam/virtualenv-tools#5
Related-Bug: #1637509
Partial-Bug: #1644629
Change-Id: I49beaf3f686adf02b156cb3d1d51ca7aebab6f6f

tasks/neutron_install.yml

@@ -105,12 +105,12 @@
   when: neutron_get_venv | failed or neutron_get_venv | skipped
   notify: Restart neutron services
 
-- name: CentOS remove python from path first
+- name: Remove python from path first (CentOS, openSUSE)
   file:
     path:  "{{ neutron_bin | dirname }}/bin/python2.7"
     state: "absent"
   when:
-    - ansible_pkg_mgr == 'yum'
+    - ansible_pkg_mgr in ['yum', 'zypper']
     - neutron_get_venv | changed
 
 - name: Update virtualenv path