Bug 1387939 - Update wpt expectations for stroke-dasharray accumulation/addition. r=hiro

MozReview-Commit-ID: H4nQ4eZM5fS

--HG--
extra : rebase_source : e1adaaa46987d49e60dea86a2c5399fede55f196

testing/web-platform/meta/web-animations/animation-model/animation-types/accumulation-per-property.html.ini

@@ -11,7 +11,3 @@
     expected:
       if stylo: FAIL
 
-  [stroke-dasharray: dasharray]
-    expected:
-      if stylo: FAIL
-

testing/web-platform/meta/web-animations/animation-model/animation-types/addition-per-property.html.ini

@@ -13,7 +13,3 @@ prefs: [layout.css.contain.enabled:true, layout.css.initial-letter.enabled:true,
     expected:
       if stylo: FAIL
 
-  [stroke-dasharray: dasharray]
-    expected:
-      if stylo: FAIL
-