Depends on where she’s applying to college. Rigor often but not always matters. If your desires College seeks rigor, keep Honors. If it’s a school like Arizona that you are applying to that looks at grades but not rigor, fall back.
What they call Honors today is basically the college prep of 30 years back. So is keep Honors.
If she struggles as she’s got an aggressive schedule otherwise, it will not be do to this.