[fix] typo in a searx/settings.yml

remove the erroneously leading underline

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/settings.yml

@@ -161,7 +161,7 @@ checker:
   # * add "cache2 = name=searxcache,items=2000,blocks=2000,blocksize=4096,bitmap=1"
   #   to your uwsgi.ini
 
-  #  scheduling:
+  # scheduling:
   #   start_after: [300, 1800]  # delay to start the first run of the checker
   #   every: [86400, 90000]     # how often the checker runs