Add pin opt-out support to regV5.

app/src/main/java/org/thoughtcrime/securesms/registration/v2/AppRegistrationStorageController.kt

@@ -218,6 +218,9 @@ class AppRegistrationStorageController(private val context: Context) : StorageCo
         data.registrationLockEnabled,
         data.accountEntropyPool.isNotEmpty()
       )
+    } else if (data.pinOptedOut) {
+      Log.i(TAG, "[commitRegistrationData] User opted out of creating a PIN. Applying opt-out.")
+      SvrRepository.optOutOfPin(rotateAep = false)
     }
 
     Unit