remove key (#883)

3p-integrations/groq/llama3_cookbook_groq.ipynb

@@ -450,7 +450,7 @@
    "source": [
     "import os\n",
     "\n",
-    "os.environ[\"GROQ_API_KEY\"] = \"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\""
+    "os.environ[\"GROQ_API_KEY\"] = \"GROQ_API_KEY\""
    ]
   },
   {