function removeTriggersAndScriptProperties() {
  PropertiesService.getScriptProperties().deleteAllProperties();
  // Removes all triggers associated with project.
  const triggers = ScriptApp.getProjectTriggers();
  for (let t in triggers) {
    ScriptApp.deleteTrigger(triggers[t]);
  }
}
Removes all script properties and triggers for the project.
Use primarily to test setup routines.