Fix unexpected pass by removing failure annotation which points to the bug that was just fixed, bug 546315.

layout/reftests/text/reftest.list

@@ -1,6 +1,6 @@
 fails-if(Android) == fallback-01.xhtml fallback-01-ref.xhtml
 == font-selection-by-lang-01.html font-selection-by-lang-01-ref.html
-fails-if(gtk2Widget) HTTP(..) == font-selection-generic-1.html font-selection-generic-1-ref.html # reviewed patch in bug 546315
+HTTP(..) == font-selection-generic-1.html font-selection-generic-1-ref.html
 fails-if(Android) != font-size-adjust-01.html font-size-adjust-01-ref.html
 # The following test passes consistently only on Mac OS X;
 # both Windows and Linux give results that vary depending on the font size/zoom factor used,