Remove this warning message (#3244)

It's not as helpful because it can confuse other people and cause false alarm.

One use of this function is to parse an optional environment variable. So if it is not set, it'll constantly prints out the warning message.

Author: vmarta

packages/template-retail-react-app/config/utils.js

@@ -26,7 +26,6 @@ function parseSettings(settings) {
         }
     }
 
-    console.warn('Cannot parse settings from:', settings)
     return
 }