fix links

Author: jc211

index.html

@@ -81,11 +81,11 @@
         <li class="nav-item">
           <a class="nav-link" href="index.html#">Home</a>
         </li>
-        <li class="nav-item">
+        <!-- <li class="nav-item">
           <a class="nav-link" href="index.html#call">Call for Papers</a>
-        </li>
+        </li> -->
         <li class="nav-item">
-          <a class="nav-link" href="index.html#speaker">Speakers</a>
+          <a class="nav-link" href="index.html#speakers">Speakers</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="index.html#schedule">Schedule</a>