Remove obsolete attributes

app-template/index.html

@@ -61,8 +61,6 @@
     provider-root
     id="app"
     lang="de" entry-point-url="http://127.0.0.1:8000"
-    show-nextcloud-file-picker
-    show-clipboard
     allow-annotating
     html-overrides="global-override"
     src="/app/dbp-signature.topic.metadata.json"

package.json

 {
   "name": "@dbp-topics/signature",
   "internalName": "dbp-signature",
-  "version": "1.0.16",
+  "version": "1.0.17",
   "main": "src/dbp-signature.js",
   "license": "LGPL-2.1-or-later",
   "repository": {