fix(files): Remove an unused file included in the turkish translation.

pages/_met.tr.json

@@ -1,28 +0,0 @@
-{
-    "index": "Prompt Engineering",
-    "introduction": "Introduction",
-    "techniques": "Techniques",
-    "applications": "Applications",
-    "models": "Models",
-    "risks": "Risks & Misuses",
-    "papers": "Papers",
-    "tools": "Tools",
-    "notebooks": "Notebooks",
-    "datasets": "Datasets",
-    "readings": "Additional Readings",
-    "about": {
-      "title": "About",
-      "type": "page"
-    },
-    "course":{
-      "title": "Prompt Engineering Course",
-      "type": "page"
-    },
-    "contact": {
-      "title": "Contact ↗",
-      "type": "page",
-      "href": "https://twitter.com/dair_ai",
-      "newWindow": true
-    }
-  }
-