Respond to CR.

// FREEBIE

Signal/src/environment/NotificationsManager.m

@@ -157,7 +157,7 @@
     NSString *senderName = [contactsManager displayNameForPhoneIdentifier:message.authorId];
     NSString *groupName = [thread.name stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
     if (groupName.length < 1) {
-        groupName = NSLocalizedString(@"UNNAMED_GROUP_NAME", @"Named used for groups without a name.");
+        groupName = NSLocalizedString(@"NEW_GROUP_DEFAULT_TITLE", @"");
     }
 
     if ([UIApplication sharedApplication].applicationState != UIApplicationStateActive && messageDescription) {

Signal/translations/en.lproj/Localizable.strings

@@ -1297,9 +1297,6 @@
 /* Label text in device manager for a device with no name */
 "UNNAMED_DEVICE" = "Unnamed Device";
 
-/* Named used for groups without a name. */
-"UNNAMED_GROUP_NAME" = "Unnamed Group";
-
 /* No comment provided by engineer. */
 "UNREGISTER_SIGNAL_FAIL" = "Failed to unregister from Signal.";