Revert of Devtools Animations: Represent delay and end-delay on the animation timeline

LayoutTests/http/tests/inspector/elements-test.js

Index: LayoutTests/http/tests/inspector/elements-test.js
diff --git a/LayoutTests/http/tests/inspector/elements-test.js b/LayoutTests/http/tests/inspector/elements-test.js
index 73b436c52a1375130e6183e05ee0fdd920637365..213a5dbd3540a7d5ce7c4719d2f9e81b698c3459 100644
--- a/LayoutTests/http/tests/inspector/elements-test.js
+++ b/LayoutTests/http/tests/inspector/elements-test.js
@@ -876,22 +876,4 @@
     }
 }
 
-InspectorTest.waitForAnimationAdded = function(callback)
-{
-    InspectorTest.addSniffer(WebInspector.AnimationTimeline.prototype, "addAnimation", callback);
-}
-
-InspectorTest.dumpAnimationTimeline = function()
-{
-    var timeline = WebInspector.panels.elements.sidebarPanes.animations._timeline;
-    // Dump timeline
-    for (var nodeUI of timeline._nodesMap.values()) {
-        for (nodeRow of nodeUI._rows) {
-            for (var ui of nodeRow.animations) {
-                InspectorTest.addResult(ui._svg.innerHTML);
-            }
-        }
-    }
-}
-
-};
+};