debug: Remove user agent from access log messages

debug.py

@@ -23,12 +23,15 @@ class DebugApplication(object):
 
 class Server(gunicorn.app.base.BaseApplication):
 
+    ACCESS_LOG_FORMAT = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s"'
+
     def load_config(self):
         self.cfg.set('bind', '[::]:8080')
         self.cfg.set('reload', True)
         self.cfg.set('workers', 1)
         self.cfg.set('threads', 1)
         self.cfg.set('accesslog', '-')
+        self.cfg.set('access_log_format', self.ACCESS_LOG_FORMAT)
         self.cfg.set('timeout', 9001)
 
     def load(self):