Bug 1691845 - Update metadata for counter-styles test, r=aryx DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D104708

testing/web-platform/meta/css/css-counter-styles/myanmar/css3-counter-styles-141.html.ini

@@ -1,7 +1,6 @@
 [css3-counter-styles-141.html]
   expected:
-    if not webrender and (os == "linux") and debug: ["PASS", "FAIL"]
+    if (os == "linux"): ["PASS", "FAIL"]
     if webrender and (os == "android"): FAIL
     if webrender and (os == "win"): FAIL
-    if webrender and (os == "linux"): ["FAIL", "PASS"]
     if webrender and (os == "mac"): FAIL