Remove more testRunner.display() calls from LayoutTests

LayoutTests/fast/events/touch/gesture/pad-gesture-cancel.js

-description("Tests basic use of GestureFlingCancel");
-
-var expectedWheelEventsOccurred = "0";
-var actualWheelEventsOccurred = 0;
-
-function recordWheelEvent(event)
-{
-    shouldBe('event.clientX', "10");
-    shouldBe('event.clientY', "11");
-
-    // Test deliberately does not equality check wheelDeltas to not be fragile in the face of curve adjustment.
-    shouldBeTrue("event.wheelDeltaX > 5");
-    shouldBeTrue("event.wheelDeltaY > 5");
-    actualWheelEventsOccurred++;
-}
-
-document.addEventListener("mousewheel", recordWheelEvent);
-
-if (window.testRunner && window.eventSender && window.eventSender.gestureFlingStart) {
-    eventSender.gestureFlingStart(10, 11, 1000, 1000);
-    eventSender.gestureFlingCancel();
-    testRunner.display();
-}
-
-setTimeout(function() {
-    shouldBe('actualWheelEventsOccurred', expectedWheelEventsOccurred);
-}, 100);
-
-if (window.testRunner)
-    testRunner.waitUntilDone();
-
-setTimeout(function() {
-    isSuccessfullyParsed();
-    if (window.testRunner)
-        testRunner.notifyDone();
-}, 200);