Stop using script-tests in fast/dom/.

third_party/WebKit/LayoutTests/fast/dom/Geolocation/script-tests/timeout-zero.js

-description("Tests that when timeout is zero (and maximumAge is too), the error callback is called immediately with code TIMEOUT.");
-
-var error;
-
-geolocationServiceMock.then(mock => {
-    mock.setGeolocationPosition(51.478, -0.166, 100.0);
-
-    navigator.geolocation.getCurrentPosition(function(p) {
-        testFailed('Success callback invoked unexpectedly');
-        finishJSTest();
-    }, function(e) {
-        error = e;
-        shouldBe('error.code', 'error.TIMEOUT');
-        shouldBe('error.message', '"Timeout expired"');
-        finishJSTest();
-    }, {
-        timeout: 0
-    });
-});
-
-window.jsTestIsAsync = true;