Why did McDonald's get rid of chicken wings?

Could you elaborate on the reasoning behind McDonald's decision to discontinue serving chicken wings? Given their popularity among customers and the potential for profitability, it seems like an odd choice. Was it due to rising costs of raw materials? Did customer feedback indicate a lack of demand? Or was it a strategic move to focus on other menu items? Understanding the motivation behind this decision could provide valuable insights into McDonald's business practices and future strategies.