Silence periphery for yet unused protocol methods

Author: RafaelKayumov

WooCommerce/Classes/CIAB/CIABEligibilityCheckerProtocol.swift

@@ -1,6 +1,7 @@
 import Foundation
 import Yosemite
 
+/// periphery: ignore - Will be used in upcoming changes for app feature gating
 protocol CIABEligibilityCheckerProtocol {
     var isCurrentSiteCIAB: Bool { get }