Fix duplicate id on watch page

src/invidious/views/watch.ecr

@@ -164,7 +164,7 @@
         <div class="h-box">
 
         <% if !rvs.empty? %>
-        <div id="continue" <% if plid %>style="display:none"<% end %>>
+        <div <% if plid %>style="display:none"<% end %>>
             <div class="pure-control-group">
                 <label for="continue"><%= translate(locale, "Autoplay next video: ") %></label>
                 <input name="continue" onclick="continue_autoplay(this)" id="continue" type="checkbox" <% if params[:continue] %>checked<% end %>>