Replace unicode escaped characters in ipynb files

PiperOrigin-RevId: 853903781

Author: AleksMat

tensorflow_lite_support/examples/colab/on_device_text_to_image_search_tflite.ipynb

@@ -758,7 +758,7 @@
         "# We train the first three epochs with the learning rate of 0.001 and\n",
         "# decrease it exponentially later on.\n",
         "def lr_scheduler(epoch, lr):\n",
-        "  if epoch \u003c 3:\n",
+        "  if epoch < 3:\n",
         "    return lr\n",
         "  else:\n",
         "    return max(lr * tf.math.exp(-0.1), lr * 0.1)\n",
@@ -1193,7 +1193,7 @@
         "id": "JGAsS4mQ3dnX"
       },
       "source": [
-        "We will not show the image here due to copyright issues. You can set `show_images=True` to display them (note that you can't set it to `True` unless you've downloaded the images at [this cell](#scrollTo=Ke6EeKAqj1vB\u0026line=12\u0026uniqifier=1)). Please check the post links for the license of each image."
+        "We will not show the image here due to copyright issues. You can set `show_images=True` to display them (note that you can't set it to `True` unless you've downloaded the images at [this cell](#scrollTo=Ke6EeKAqj1vB&line=12&uniqifier=1)). Please check the post links for the license of each image."
       ]
     },
     {