change citation button behavior

Signed-off-by: Carmine Zaccagnino <carmine@carminezacc.com>

Author: carzacc

index.html

@@ -346,7 +346,7 @@ <h1 class="title is-1 publication-title">Autoregressive Styled Text Image Genera
               </span>
 
                 <span class="link-block">
-                  <a href="#BibTeX" onclick="copyBibTeX(); return false;"
+                  <a href="#BibTeX"
                   class="external-link button is-normal is-rounded is-dark">
                   <span class="icon">
                     <i class="fas fa-quote-right"></i>