Bug 1379921 - Part 3: remove test fail annotations from reftest. r=hiro

Since we make "font-variant-alternates" animatable,
should remove test fail annotation from reftest.list.

MozReview-Commit-ID: ChdeSvUbTBh

--HG--
extra : rebase_source : fac9fb01a60c684d7169866964621f431b3508e3

layout/reftests/svg/smil/style/reftest.list

@@ -67,7 +67,7 @@ fails == anim-css-fillopacity-3-clamp-big.svg     anim-css-fillopacity-3-ref.svg
 fuzzy-if(skiaContent,1,365) == anim-css-fillopacity-3-clamp-small.svg   anim-css-fillopacity-3-ref.svg
 
 # 'font' shorthand property
-fails-if(styloVsGecko||stylo) == anim-css-font-1.svg  anim-css-font-1-ref.svg
+== anim-css-font-1.svg  anim-css-font-1-ref.svg
 
 # 'font-size' property, from/by/to with pixel values only
 == anim-css-fontsize-1-from-by-px-px.svg    anim-css-fontsize-1-ref.svg