I e-mailed Brittney at T&H and mentioned that I was surprised they would discontinue such a popular shave scent as Sandalwood. She responded saying that the UK shops would continue to carry it, but did not give a reason for its cessation in North America.
I would guess the Rose is being pulled due to lack of sales. Without any evidence to back it up, I envision that the majority of North American males look upon Rose shave cream as "too gay".