Sprinkle chicken thighs with 1/2 teaspoon ground cumin, 1/4 teaspoon salt, and 1/4 teaspoon ground black pepper. Heat 12-inch nonstick skillet over medium-high heat until hot; add chicken thighs and cook until well browned on all sides, about 10 minutes. Transfer chicken to plate. Remove skillet from heat. In same skillet, combine smoked paprika, allspice, chicken broth, salsa, garlic, and remaining 1 1/2 teaspoons cumin. In 6-quart slow cooker, combine beans and sweet potatoes. Place chicken on top of potato mixture in slow cooker; pour broth mixture over chicken. Cover slow cooker with lid and cook as manufacturer directs, on low 8 hours or on high 4 hours. With tongs or slotted spoon, remove chicken pieces to large platter. Gently stir roasted red pepper strips into potato mixture. Spoon mixture over chicken. Sprinkle with cilantro and serve with lime wedges.