remove 'roll-in' fragment style due to Chrome crash #1150

index.html

@@ -138,7 +138,6 @@
 						<p>There's different types of fragments, like:</p>
 						<p class="fragment grow">grow</p>
 						<p class="fragment shrink">shrink</p>
-						<p class="fragment roll-in">roll-in</p>
 						<p class="fragment fade-out">fade-out</p>
 						<p class="fragment current-visible">current-visible</p>
 						<p class="fragment highlight-red">highlight-red</p>