Revert "Debug Nova APIs call failures"

This reverts commit afb0f77.

Reason for revert: 

We unfortunately leak the token in the logs which is considered a security flaw, even if only provided on DEBUG level.

Change-Id: I52b52e65b689dadbdb08122c94652c491f850de6
Closes-Bug: #2012993
(cherry picked from commit 6833695)
(cherry picked from commit a02f966)

Author: sbauza

nova/api/openstack/wsgi.py

@@ -538,12 +538,6 @@ def _process_stack(self, request, action, action_args,
             with ResourceExceptionHandler():
                 action_result = self.dispatch(meth, request, action_args)
         except Fault as ex:
-            LOG.debug(f'Request method failure captured:\n'
-                      f'  request: {request}\n'
-                      f'  method: {meth}\n'
-                      f'  exception: {ex}\n'
-                      f'  action_args: {action_args}\n',
-                      exc_info=1)
             response = ex
 
         if not response: