Remove SVGFilterElement's filterRes* attributes and setFilterRes()

LayoutTests/svg/dynamic-updates/script-tests/SVGFilterElement-svgdom-filterResY-prop.js

-// [Name] SVGFilterElement-svgdom-filterResY-prop.js
-// [Expected rendering result] An offseted gradient (performed by diffuse lighting) - and a series of PASS messages
-
-description("Tests dynamic updates of the 'filterResY' property of the SVGFilterElement object")
-createSVGTestCase();
-
-var pointLight = createSVGElement("fePointLight");
-pointLight.setAttribute("x", "100");
-pointLight.setAttribute("y", "100");
-pointLight.setAttribute("z", "30");
-
-var gradientElement = createSVGElement("feDiffuseLighting");
-gradientElement.setAttribute("in", "SourceGraphic");
-gradientElement.setAttribute("diffuseConstant", "1");
-gradientElement.setAttribute("lighting-color", "yellow");
-gradientElement.appendChild(pointLight);
-
-var filterElement = createSVGElement("filter");
-filterElement.setAttribute("id", "myFilter");
-filterElement.setAttribute("filterUnits", "userSpaceOnUse");
-filterElement.setAttribute("x", "0");
-filterElement.setAttribute("y", "0");
-filterElement.setAttribute("width", "200");
-filterElement.setAttribute("height", "200");
-filterElement.setAttribute("filterRes", "200 400");
-filterElement.appendChild(gradientElement);
-
-var defsElement = createSVGElement("defs");
-defsElement.appendChild(filterElement);
-
-rootSVGElement.appendChild(defsElement);
-
-var rectElement = createSVGElement("rect");
-rectElement.setAttribute("x", "0");
-rectElement.setAttribute("y", "0");
-rectElement.setAttribute("width", "200");
-rectElement.setAttribute("height", "200");
-rectElement.setAttribute("filter", "url(#myFilter)");
-rootSVGElement.appendChild(rectElement);
-
-shouldBe("filterElement.filterResY.baseVal", "400");
-
-function repaintTest() {
-    filterElement.filterResY.baseVal = 200;
-    shouldBe("filterElement.filterResY.baseVal", "200");
-}
-
-var successfullyParsed = true;