conf: Remove 'destroy_after_evacuate'

This was deprecated in 'd9c696', and is no longer used anywhere in the
source. Remove it.

Change-Id: I0725880fa43ade68c6286d4ef1b45e7aa7553c0a

nova/conf/workarounds.py

@@ -48,16 +48,6 @@ disable_libvirt_livesnapshot = cfg.BoolOpt(
                      'resolved.  See '
                      'https://bugs.launchpad.net/nova/+bug/1334398')
 
-destroy_after_evacuate = cfg.BoolOpt(
-    'destroy_after_evacuate',
-    default=True,
-    deprecated_for_removal=True,
-    help='DEPRECATED: Whether to destroy '
-         'instances on startup when we suspect '
-         'they have previously been evacuated. This can result in '
-         'data loss if undesired. See '
-         'https://launchpad.net/bugs/1419785')
-
 handle_virt_lifecycle_events = cfg.BoolOpt(
     'handle_virt_lifecycle_events',
     default=True,
@@ -82,7 +72,6 @@ handle_virt_lifecycle_events = cfg.BoolOpt(
 
 ALL_OPTS = [disable_rootwrap,
             disable_libvirt_livesnapshot,
-            destroy_after_evacuate,
             handle_virt_lifecycle_events]
 
 

releasenotes/notes/remove-deprecated-destroy_after_evacuate-option-2557d0634e78abd1.yaml

@@ -0,0 +1,4 @@
+---
+upgrade:
+  - The 'destroy_after_evacuate' workaround option has been removed as
+    the workaround is no longer necessary.