fixes to vault/copy

rm _del_ as it might leak memory
renamed to tmp file cleanup
added exception handling when traversing file list, even if one fails try rest
added cleanup to finally to ensure removal in most cases

lib/ansible/cli/console.py

@@ -215,6 +215,8 @@ class ConsoleCLI(CLI, cmd.Cmd):
             finally:
                 if self._tqm:
                     self._tqm.cleanup()
+                if self.loader:
+                    self.loader.cleanup_all_tmp_files()
 
             if result is None:
                 display.error("No hosts found")