Fetch wmf-sitematrix from CDN.. No need to depend on it anymore.

modules/core/data.js

@@ -21,7 +21,7 @@ export function coreData(context) {
     'phone_formats': 'data/phone_formats.min.json',
     'shortcuts': 'data/shortcuts.min.json',
     'territory_languages': 'data/territory_languages.min.json',
-    'wikipedia': 'data/wikipedia.min.json'
+    'wmf_sitematrix': 'https://cdn.jsdelivr.net/npm/wmf-sitematrix@0.1/wikipedia.min.json'
   };
 
 

modules/ui/fields/wikipedia.js

@@ -23,7 +23,7 @@ export function uiFieldWikipedia(field, context) {
   // be available the first time through, so things like the fetchers and
   // the language() function will not work immediately.
   let _dataWikipedia = [];
-  context.data().get('wikipedia')
+  context.data().get('wmf_sitematrix')
     .then(d => _dataWikipedia = d)
     .catch(() => { /* ignore */ });