Remove SVGElementInstance

LayoutTests/svg/custom/use-instanceRoot-with-use-removed.svg

Index: LayoutTests/svg/custom/use-instanceRoot-with-use-removed.svg
diff --git a/LayoutTests/svg/custom/use-instanceRoot-with-use-removed.svg b/LayoutTests/svg/custom/use-instanceRoot-with-use-removed.svg
deleted file mode 100644
index 2d7b0a3ea83dc553ffcbb5a1d38b7a602e5ba19e..0000000000000000000000000000000000000000
--- a/LayoutTests/svg/custom/use-instanceRoot-with-use-removed.svg
+++ /dev/null
@@ -1,33 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<script>
-<![CDATA[
-if (window.testRunner) {
-    testRunner.dumpAsText();
-    testRunner.waitUntilDone();
-    gc = function(){window.GCController.collect()};
-} else if (!window.gc)
-    gc = function(){};
-
-window.onload = function(){
-    if (location.hash != "#2") {
-        if (location.hash)
-            location.hash = "#" + (parseInt(location.hash.slice(1)) + 1).toString();
-        else
-            location.hash = "#1";
-        var ir = document.getElementById("use1").instanceRoot;
-        ir.correspondingUseElement.parentElement.removeChild(ir.correspondingUseElement);
-        gc();
-        ir.correspondingUseElement;
-        setTimeout(function(){location.reload()},0);
-    } else {
-        document.getElementById("t1").appendChild(document.createTextNode("PASS: Successfully removed use element."));
-        if (window.testRunner)
-            testRunner.notifyDone();
-    }
-}
-//]]>
-</script>
-<g id="g1" />
-<use xlink:href="#g1" id="use1" />
-<text x="20" y="20" fill="green" id="t1"></text>
-</svg>