fix markup

Author: spearwolf

packages/twopoint5d-elements-e2e/pages/post-processing.html

@@ -11,7 +11,7 @@
     <main class="two5-display-container">
       <x-display class="two5-display">
         <x-post-processing>
-          <x-stage2d id="stage2d" projection-type="parallax" width="197" height="205"></two5-stage2d>          
+          <x-stage2d id="stage2d" projection-type="parallax" width="197" height="205"></x-stage2d>
         </x-post-processing>
       </x-display>
     </main>