config.json in trackler-2.1.0.42

- old
+ new

@@ -1,8 +1,8 @@
 {
   "slug": "csharp",
   "language": "C#",
-  "repository": "https://github.com/exercism/xcsharp",
+  "repository": "https://github.com/exercism/csharp",
   "active": true,
   "exercises": [
     {
       "slug": "hello-world",
       "difficulty": 1,