Messages: Only youuuuu...

* Removing the arrow from the message bubbles and adding a little
  rounding to them and the input bar already does a lot in
  modernizing the look of the app

Change-Id: Ia6466968553856fdf2ea15c10cfed79402e36a5d

src/com/android/messaging/ui/conversation/ConversationMessageView.java

@@ -287,8 +287,7 @@ public class ConversationMessageView extends FrameLayout implements View.OnClick
      * contains media attachments or if shouldShowSimplifiedVisualStyle() is true.
      */
     private boolean shouldShowMessageBubbleArrow() {
-        return !shouldShowSimplifiedVisualStyle()
-                && !(mData.hasAttachments() || mMessageHasYouTubeLink);
+        return false;
     }
 
     /**