Change SVG paint server fallback for a non-existent URL

LayoutTests/svg/custom/invalid-uri-stroke.svg

Index: LayoutTests/svg/custom/invalid-uri-stroke.svg
diff --git a/LayoutTests/svg/custom/invalid-uri-stroke.svg b/LayoutTests/svg/custom/invalid-uri-stroke.svg
deleted file mode 100644
index 01a16a61e2e016128845bea97dc807f96c49b43e..0000000000000000000000000000000000000000
--- a/LayoutTests/svg/custom/invalid-uri-stroke.svg
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg xmlns="http://www.w3.org/2000/svg">
-	<defs>
-	    <linearGradient id="myGradient"
-			    x1="0%" y1="0%"
-			    x2="0%" y2="100%"
-			    spreadMethod="pad">
-	      <stop offset="0%"   stop-color="#00cc00" stop-opacity="1"/>
-	      <stop offset="100%" stop-color="#006600" stop-opacity="1"/>
-	    </linearGradient>
-	  </defs>
-	<g stroke="blue">
-		<rect width="100" height="100" fill="none" stroke="url(#myGradient)"/>
-		<rect width="100" height="100" fill="none" stroke="url(#non-existent-uri)"/>
-	</g>
-	<g fill="black">
-	      <text x="10" y="130">The above stroke of rect should be BLUE.</text>
-	      <text x="10" y="150">SVG 1.1 FULL says there should be a "highly perceivable error" message when an invalid URI 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 stroke 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>
-</svg>
-