remove redundant files

index.html

@@ -262,15 +262,6 @@ <h2 class="title">BibTeX</h2>
 
 <footer class="footer">
   <div class="container">
-    <div class="content has-text-centered">
-      <a class="icon-link"
-         href="./static/videos/nerfies_paper.pdf">
-        <i class="fas fa-file-pdf"></i>
-      </a>
-      <a class="icon-link" href="https://github.com/keunhong" class="external-link" disabled>
-        <i class="fab fa-github"></i>
-      </a>
-    </div>
     <div class="columns is-centered">
       <div class="column is-8">
         <div class="content">