Respond to CR.

SignalServiceKit/src/Messages/UD/OWSUDManager.swift

@@ -276,19 +276,12 @@ public class OWSUDManagerImpl: NSObject, OWSUDManager {
         if accessMode == .unrestricted {
             // Unrestricted users should use a derived key if possible,
             // and fall back to a random key otherwise.
-            if let udAccessKey = udAccessKey(forRecipientId: recipientId) {
-                if isUDVerboseLoggingEnabled() {
-                    Logger.info("UD Send enabled for \(recipientId) with unverified key.")
-                }
-                return OWSUDAccess(udAccessKey: udAccessKey, udAccessMode: accessMode, isRandomKey: false)
-            } else {
             if isUDVerboseLoggingEnabled() {
                 Logger.info("UD Send enabled for \(recipientId) with random key.")
             }
             let udAccessKey = randomUDAccessKey()
             return OWSUDAccess(udAccessKey: udAccessKey, udAccessMode: accessMode, isRandomKey: true)
         }
-        }
 
         guard accessMode == .enabled else {
             if isUDVerboseLoggingEnabled() {