Revert of Worker: Import "imported/wpt/workers" tests

third_party/WebKit/LayoutTests/imported/wpt/workers/interfaces/DedicatedWorkerGlobalScope/EventTarget.worker.js

Index: third_party/WebKit/LayoutTests/imported/wpt/workers/interfaces/DedicatedWorkerGlobalScope/EventTarget.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/workers/interfaces/DedicatedWorkerGlobalScope/EventTarget.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/workers/interfaces/DedicatedWorkerGlobalScope/EventTarget.worker.js
deleted file mode 100644
index 954c46c07ecabc47c3c79dadc1052e13382f66e1..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/imported/wpt/workers/interfaces/DedicatedWorkerGlobalScope/EventTarget.worker.js
+++ /dev/null
@@ -1,23 +0,0 @@
-importScripts("/resources/testharness.js");
-
-test(function(t) {
-    var i = 0;
-    addEventListener("message", function listener(evt) {
-        t.step(function() {
-            ++i;
-            removeEventListener("message", listener, true);
-        });
-    }, true);
-    self.dispatchEvent(new Event("message"));
-    self.dispatchEvent(new Event("message"));
-    assert_equals(i, 1);
-}, "removeEventListener");
-
-test(function() {
-    addEventListener("message", this.step_func(function(evt) {
-        assert_equals(evt.target, self);
-    }), true);
-    self.dispatchEvent(new Event("message"));
-}, "target");
-
-done();