Revert "Create ovs temp directories when using ovs"

This reverts commit 7ba9b76382.

Open vSwitch is creating the /var/run/openvswitch directory with the
correct permissions before the systemd services are started so we
shouldn't have to do that ourselves.

Closes-Bug: #1754139
Change-Id: If351f5562a6c0c6ec7404ee2a827772fed32b858

tasks/neutron_init_systemd.yml

@@ -42,22 +42,6 @@
   notify:
     - Restart neutron services
 
-- name: Create ovs tempfiles directory
-  block:
-    - name: Create ovs tmpfiles file
-      lineinfile:
-        dest: "/etc/tmpfiles.d/openstack-openvswitch.conf"
-        line: "D /var/run/openvswitch 2755 root root"
-        create: true
-
-    - name: Create ovs tmp directory
-      file:
-        path: "/var/run/openvswitch"
-        state: directory
-        mode: "02755"
-  when:
-    - "'ovs' in neutron_plugin_type | lower"
-
 - name: Place the systemd init script
   config_template:
     src: "neutron-systemd-init.j2"