Remove database lag file config from settings_local

Signed-off-by: Maxime Petazzoni <maxime.petazzoni@bulix.org>

www/settings_local.py.dist

@@ -65,10 +65,6 @@ DATABASES = {
 # (~/.ocitysmap.conf)
 OCITYSMAP_CFG_PATH = None
 
-# Path to the file containing the datetime of the state of the GIS
-# database. It should be of the form YYYY-MM-DD HH:MM:SS.
-GIS_DATABASE_LAG_FILE = '/path/to/gis/database/lag/file'
-
 RENDERING_RESULT_PATH = '/path/to/rendering/results/'
 RENDERING_RESULT_URL = '/results/' # Either a relative URL or an absolute URL
 RENDERING_RESULT_FORMATS = ['png', 'svgz', 'pdf', 'csv']