Remove deprecated custom policy file options

This PS removes deprecated custom policy file options, including:

  * cinder_policy_file
  * glance_policy_file
  * keystone_policy_file
  * neutron_policy_file
  * nova_policy_file

Specifying the location of a custom policy file should instead be
done by setting ``[patrole] custom_policy_files`` instead, as it
works with any service name.

Change-Id: I7d5cfa8d3cbd8a3818553ea1066005f9315f100c
diff --git a/releasenotes/notes/remove-named-policy-files-134f3045502e9ce9.yaml b/releasenotes/notes/remove-named-policy-files-134f3045502e9ce9.yaml
new file mode 100644
index 0000000..00245d7
--- /dev/null
+++ b/releasenotes/notes/remove-named-policy-files-134f3045502e9ce9.yaml
@@ -0,0 +1,13 @@
+---
+deprecations:
+  - |
+    Removed the following deprecated Patrole configuration options:
+
+        * cinder_policy_file
+        * glance_policy_file
+        * keystone_policy_file
+        * neutron_policy_file
+        * nova_policy_file
+
+    To specify the location of a custom policy file, use
+    ``[patrole] custom_policy_files`` instead.