update registration

Author: AndyLi23

index.html

@@ -200,7 +200,7 @@ <h2 class="main-title" id="title-2">
               <h3 class="text1"><strong>January 15-18, 2021</strong></h3>
             </div>
             <div class="sub1 animate__animated animate__bounceInRight">
-              <h3 class="text2" id="registerBy">Register by January 15th</h3>
+              <h3 class="text2" id="none">Registration has ended</h3>
             </div>
             <div class="sub1 animate__animated animate__bounceInLeft">
               <h3 class="text2">