Remove SVG paint order runtime flag

LayoutTests/svg/css/script-tests/svg-paint-order.js

Index: LayoutTests/svg/css/script-tests/svg-paint-order.js
diff --git a/LayoutTests/svg/css/script-tests/svg-paint-order.js b/LayoutTests/svg/css/script-tests/svg-paint-order.js
index 6328806f1dbef9467064724a6c0cf2c72a3ffd74..d0f70ed70c64c3dda2f6d880eeeae09582abc408 100644
--- a/LayoutTests/svg/css/script-tests/svg-paint-order.js
+++ b/LayoutTests/svg/css/script-tests/svg-paint-order.js
@@ -1,5 +1,4 @@
 description("Test paint-order.")
-if (internals.runtimeFlags.svgPaintOrderEnabled) {
 
 if (window.testRunner)
     testRunner.dumpAsText();
@@ -97,10 +96,6 @@ test_attr("markers foo", "fill stroke markers");
 test_attr("normal foo", "fill stroke markers");
 test_attr("fill markers stroke foo", "fill stroke markers");
 
-} else {
-debug("paint-order is disabled, skipping test.");
-}
-
 var successfullyParsed = true;
 
 completeTest();