Update s3gan_generation_with_tf_hub.ipynb

The line 70 i.e. "as little as 2.5% labeled data using self- and semi-supervised learning techniques." is a repeat of line 67. This seems to be an oversight and not deliberate - hence deleting same.

PiperOrigin-RevId: 275489439

examples/colab/s3gan_generation_with_tf_hub.ipynb

@@ -66,9 +66,6 @@
         "\n",
         "This notebook is a demo of Generative Adversarial Networks trained on ImageNet with as little as 2.5% labeled data using self- and semi-supervised learning techniques. Both generator and discrimantor models are available on [TF Hub](https://tfhub.dev/s?publisher=google&q=compare_gan).\n",
         "\n",
-        "\n",
-        "as little as 2.5% labeled data using self- and semi-supervised learning techniques.\n",
-        "\n",
         "For more information about the models and the training procedure see our [blogpost](https://ai.googleblog.com/2019/03/reducing-need-for-labeled-data-in.html) and the [paper](https://arxiv.org/abs/1903.02271) [1]. \n",
         "The code for training these models is available on [GitHub](https://github.com/google/compare_gan).\n",
         "\n",
@@ -420,4 +417,4 @@
       "outputs": []
     }
   ]
-}
+}