fix: remove remote code

Author: crimx

assets/vimium-c-injector.js

@@ -248,7 +248,6 @@ async function modifyViewerHTML() {
     <script src="/assets/browser-polyfill.min.js"></script>
     <script src="/assets/pdf-viewer-bridge.js"></script>
     <script src="/assets/inject-dict-panel.js"></script>
-    <script src="/assets/vimium-c-injector.js"></script>
   </body>
 `
   )