Over medium-high heat in hot oil, cook zucchini, stirring frequently, until zucchini begins to brown and is tender-crisp. With slotted spoon - remove zucchini to bowl. In same skillet, over high heat, cook shrimp, lemon-pepper seasoning salt, and salt, stirring until shrimp are opaque throughout - about 5 minutes. Return zucchini to skillet, heat through.