Load settings from default settings filename, not reading it from command line

src/Vervis/Application.hs

@@ -283,7 +283,10 @@ mailer foundation =
 appMain :: IO ()
 appMain = do
     -- Get the settings from all relevant sources
-    settings <- loadYamlSettingsArgs
+    settings <- loadYamlSettings
+        -- Read settings from the settings file
+        [configSettingsYml]
+
         -- Fall back to compile-time values, set to [] to require values at
         -- runtime
         --[configSettingsYmlValue]