code: func (l *CallerInfo) HideCallerInfo(module string, level api.Level) {
  	if l.showcaller == nil {
  		l.showcaller = l.getDefaultCallerInfoSetting()
  	}
  	l.showcaller[callerInfoKey{module, level}] = false
  }
docs: //HideCallerInfo disables caller info for given module and level