remove max_tokens from example (google#425)

Author: MarkDaoust

site/en/gemini-api/docs/get-started/python.ipynb

@@ -1761,7 +1761,6 @@
         "        # Only one candidate for now.\n",
         "        candidate_count=1,\n",
         "        stop_sequences=['x'],\n",
-        "        max_output_tokens=20,\n",
         "        temperature=1.0)\n",
         ")"
       ]
@@ -1789,10 +1788,6 @@
       ],
       "source": [
         "text = response.text\n",
-        "\n",
-        "if response.candidates[0].finish_reason.name == \"MAX_TOKENS\":\n",
-        "    text += '...'\n",
-        "\n",
         "to_markdown(text)"
       ]
     },