Revert of Apply custom property animation

third_party/WebKit/LayoutTests/animations/custom-properties/element-animate-crash.html

-<script src="../../resources/testharness.js"></script>
-<script src="../../resources/testharnessreport.js"></script>
-<div id="target"></div>
-<script>
-promise_test(() => {
-  return new Promise(resolve => {
-    target.animate([
-      {'resize':'none'},
-      {'resize':'none'},
-    ], {
-      duration: 1000,
-      delay: 100,
-    });
-    target.animate([
-      {'--custom-property-name':'custom-value'},
-      {'--custom-property-name':'custom-value'},
-    ], 1);
-    // This specific combination of async behaviour is required to trigger the crash,
-    // creating functions here prevents the crash. This is probably due to V8 GC
-    // implementation details.
-    setInterval(gc);
-    setTimeout(resolve);
-  });
-}, 'Do not crash in ASAN when using custom properties in element.animate()');
-</script>