actaully remove the default

Author: vladak

tools/src/main/python/opengrok_tools/projadm.py

@@ -265,7 +265,7 @@ def main():
     add_http_headers(parser)
     parser.add_argument('--api_timeout', type=int, default=3,
                         help='Set response timeout in seconds for RESTful API calls')
-    parser.add_argument('--async_api_timeout', type=int, default=None,
+    parser.add_argument('--async_api_timeout', type=int,
                         help='Set timeout in seconds for asynchronous RESTful API calls')
 
     group = parser.add_mutually_exclusive_group()