Bug 1367310 - Update stylo test expectations. r=xidorn

MozReview-Commit-ID: Kn79g3cfQTr

--HG--
extra : rebase_source : 71cea79f3198e1a1b467d3cfbf942ff4890b3f6a
extra : amend_source : 9849e17b3bf124d814d2d2ebe4e2bb64175ce5ac

layout/style/test/stylo-failures.md

@@ -99,8 +99,6 @@ to mochitest command.
   * :-moz-tree bits bug 1348488
     * test_selectors.html `:-moz-tree` [10]
 * Unsupported pseudo-classes
-  * :-moz-locale-dir is internal bug 1367310
-    * test_selectors.html `:-moz-locale-dir` [15]
   * :-moz-lwtheme-* bug 1367312
     * test_selectors.html `:-moz-lwtheme` [3]
   * :-moz-window-inactive bug 1348489