Update to current files

database/getChatroomMessages.php

@@ -1,13 +1,10 @@
 <?php
 require __DIR__ . '/../incl/util.php';
 setPlainHeader();
-if (isAllowedDatabaseVersion(getClientVersion())) {
-    if (getClientVersion() == "1.5.1" || getClientVersion() == "1.5.2") {
-        require __DIR__ . '/backported/1.5.1/getChatroomMessages.php';
-        exit;
-    }
+if (getClientVersion() == "1.5.1" || getClientVersion() == "1.5.2") {
+    require __DIR__ . '/backported/1.5.1/getChatroomMessages.php';
+    exit;
 }
-checkClientDatabaseVersion();
 $conn = newConnection();
 
 $stmt = $conn->prepare("