CSS Animations: Remove unnecessary webkit prefixes from layout tests

third_party/WebKit/LayoutTests/animations/end-exclusive.html

Index: third_party/WebKit/LayoutTests/animations/end-exclusive.html
diff --git a/third_party/WebKit/LayoutTests/animations/end-exclusive.html b/third_party/WebKit/LayoutTests/animations/end-exclusive.html
index 5be0fbafe3bb2bf6cab5d8eae98f9f959d04eb6d..5028cade46e142da68031b6c5aacde9cf5328819 100644
--- a/third_party/WebKit/LayoutTests/animations/end-exclusive.html
+++ b/third_party/WebKit/LayoutTests/animations/end-exclusive.html
@@ -5,9 +5,9 @@
   left: 0px;
   height: 100px;
   width: 100px;
-  -webkit-animation-name: anim;
-  -webkit-animation-duration: 1s;
-  -webkit-animation-timing-function: linear;
+  animation-name: anim;
+  animation-duration: 1s;
+  animation-timing-function: linear;
   background: blue;
 }
 #fillanim {
@@ -15,13 +15,13 @@
   left: 0px;
   height: 100px;
   width: 100px;
-  -webkit-animation-name: anim;
-  -webkit-animation-duration: 1s;
-  -webkit-animation-fill-mode: forwards;
-  -webkit-animation-timing-function: linear;
+  animation-name: anim;
+  animation-duration: 1s;
+  animation-fill-mode: forwards;
+  animation-timing-function: linear;
   background: blue;
 }
-@-webkit-keyframes anim {
+@keyframes anim {
   from { left: 200px; }
   to   { left: 300px; }
 }