Change SVG paint server fallback for a non-existent URL

LayoutTests/svg/custom/invalid-fill.svg

Index: LayoutTests/svg/custom/invalid-fill.svg
diff --git a/LayoutTests/svg/custom/invalid-fill.svg b/LayoutTests/svg/custom/invalid-fill.svg
deleted file mode 100644
index aea3eaa78497c6e8c2cff30638f570495d082be0..0000000000000000000000000000000000000000
--- a/LayoutTests/svg/custom/invalid-fill.svg
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg xmlns="http://www.w3.org/2000/svg">
-  <g fill="orange">
-    <rect width="100" height="100" fill="red"/>
-    <rect width="100" height="100" fill="url(#notthere)"/>
-    <g fill="black">
-      <text x="10" y="130">The above rect should be ORANGE.</text>
-      <text x="10" y="150">SVG 1.1 FULL says there should be a "highly perceivable error" message when an invalid fill is used.</text>
-      <text x="10" y="170">Browsers don't display such an error, instead use some sort of fill-fallback.</text>
-      <text x="10" y="190">If there's an non-existent uri, but no fallback specified, the fill of the object is inherited from parent object.</text>
-      <text x="10" y="210">This has recently been changed in SVG 1.1 2nd edition. Our result matches Opera now.</text>
-    </g>
-  </g>
-</svg>