Bug 1038663 followup - Remove assertion from reftest reference, which the CSS WG harness considers an error. No review.

layout/reftests/w3c-css/submitted/text3/text-word-spacing-ref.html

@@ -3,7 +3,6 @@
 <link rel="author" title="Nicholas Nethercote" href="mailto:nnethercote@mozilla.com">
 <link rel="stylesheet" type="text/css" href="support/ahem.css" />
 <meta name="flags" content="ahem">
-<meta name="assert" content="Test checks that word-spacing works with percentages.">
 <style>
 @font-face {
   font-family: Ahem;