Fixed button padding and removed download

Signed-off-by: Jimmy McArthur <jimmy@tipit.net>

Author: jimmytipit

summit/css/combined.css

@@ -1320,7 +1320,7 @@ a.current-summit-link {
 
 .sponsors_button {
     border: none;
-    padding: 1rem 6rem;
+    padding: 1.3rem 3.5rem;
     text-decoration: none;
     background: #ffd602;
     color: #111111;

summit/templates/Layout/SummitFutureLanding.ss

@@ -8,7 +8,6 @@
                     <p class="join-us-text">到上海加入我们</p>
                     <p><a href="/summit/shanghai-2019/sponsors/" class="sponsors_button" style="margin: 10px;">
                             SPONSOR THE SUMMIT
-                            <i class="fa fa-cloud-download"></i>
                         </a></p>
                     <!-- <div class="save-the-date"> Save The Date! </div>
     			<h1> $IntroText </h1>