Fix docs and remove unused types

Author: alekswebnet

index.html

@@ -92,7 +92,7 @@ <h1 class="me-2 me-sm-3 mb-0" style="white-space: nowrap">pdfjs-viewer-element</
               </pre>
               <p class="fs-6 mb-0">Usage: </p>
               <pre class="d-flex bg-white border rounded language-markup">
-                <code>&lt;pdfjs-viewer-element scr="/file.pdf" viewer-path="/pdfjs"&gt;&lt;/pdfjs-viewer-element&gt;</code>
+                <code>&lt;pdfjs-viewer-element src="/file.pdf" viewer-path="/pdfjs"&gt;&lt;/pdfjs-viewer-element&gt;</code>
               </pre>
             </div>
             <form style="display: none" class="pt-4" :class="{ 'd-block': tab === 'api' }">