Update ManagePdfFiles.cshtml

Author: salihozkara

modules/docs/src/Volo.Docs.Admin.Web/Pages/Docs/Admin/Projects/ManagePdfFiles.cshtml

@@ -36,6 +36,6 @@
             </abp-card-body>
         </abp-card>
     </abp-modal-body>
-    <abp-modal-footer buttons="@(AbpModalButtons.Close|AbpModalButtons.Save)">
+    <abp-modal-footer buttons="@(AbpModalButtons.Close)">
     </abp-modal-footer>
 </abp-modal>