She should not exclude carbs from her diet - they are essential for energy and stamina. They are the fuel her body needs.
Without them she will feel more hungry and 'snack'.
Get your daughter to read this little article - good advice for a healthy body:
http://www.ivillage.co.uk/dietandfitness/nutri tion/carbs/articles/0,,248_160000-1,00.html
Her diet looks good - varied with all the essentials she needs.
At 15 she is still growing. Her shape will change over the next year or two, and plenty of exercise will help her get the shape she wants.