vnu.jar: Ignore all wrong language code warnings.

build/vnu-jar.js

@@ -40,8 +40,8 @@ childProcess.exec('java -version', (error, stdout, stderr) => {
     // IE11 doesn't recognise <main> / give the element an implicit "main" landmark.
     // Explicit role="main" is redundant for other modern browsers, but still valid.
     'The “main” role is unnecessary for element “main”.',
-    // For some reason, the validator thinks the dashboard example is written in Danish
-    'This document appears to be written in Danish.*'
+    // Ignore the wrong lanuage code warnings for now; they happen randomly.
+    'This document appears to be written in.*'
   ].join('|')
 
   const args = [