Remove default dayoff

edit-mode/function/ganttSettings.js

@@ -73,11 +73,6 @@ $(document).ready(function() {
                         }
                     }
                 }
-                else {
-                    // default
-                    selectDayOffChoices.setChoiceByValue('0');
-                    selectDayOffChoices.setChoiceByValue('6');
-                }
             }
         }else{
             gantt.alert({type: "error", text: "Failed to get settings. Please check your internet connection."});