docs: removed SUPPORTED_LANGUAGE (#2020)

docs: removed SUPPORTED_LANGUAGE

similar to this PR
#1846

Co-authored-by: Dmitry Sirakov <[email protected]>

Author: DmitrySirakov

docs/howtos/customizations/metrics/metrics_language_adaptation.ipynb

@@ -80,34 +80,6 @@
     "llm = llm_factory()"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "id": "9a57b385-cb55-4286-94e1-fb144e94ea1c",
-   "metadata": {},
-   "source": [
-    "To view the supported language codes"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 4,
-   "id": "672a8419-2fdf-4945-a754-662f911e133b",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "['english', 'hindi', 'marathi', 'chinese', 'spanish', 'amharic', 'arabic', 'armenian', 'bulgarian', 'urdu', 'russian', 'polish', 'persian', 'dutch', 'danish', 'french', 'burmese', 'greek', 'italian', 'japanese', 'deutsch', 'kazakh', 'slovak']\n"
-     ]
-    }
-   ],
-   "source": [
-    "from ragas.utils import RAGAS_SUPPORTED_LANGUAGE_CODES\n",
-    "\n",
-    "print(list(RAGAS_SUPPORTED_LANGUAGE_CODES.keys()))"
-   ]
-  },
   {
    "cell_type": "markdown",
    "id": "358366cd-fa4e-44c4-9f75-c441356e1554",