Your Starbucks drink with soy, oat, almond or coconut milk won’t cost you extra anymore.Starting next week, Starbucks customers will no longer pay more for adding non-dairy milk to their orders. The company said the removal of the non-dairy milk surcharge means customers who request it will pay around 10% less than they did previously.Orders with milk substitutions have proliferated at Starbucks in recent years, alongside non-dairy alternatives in grocery stores. In 2021, Starbucks added oat milk to its menu. Non-dairy milk has become the second most common order modification at Starbucks, behind adding a shot of espresso.It’s one of several changes Starbucks has made under new CEO Brian Niccol, who took over the struggling company in September.Starbucks on Wednesday reported a third straight quarter of slumping sales and declining customer visits.Starbucks’ global sales at stores open at least a year dropped 7% last quarter, and the number of customer …