Getting rid of spurious line

ImageColorizerColab.ipynb

@@ -225,7 +225,6 @@
    "outputs": [],
    "source": [
     "if source_url is not None and source_url !='':\n",
-    "    !wget $source_url -O \"family_TV.jpg\"\n",
     "    colorizer.plot_transformed_image_from_url(path=\"test_images/image.jpg\", url=source_url, render_factor=render_factor)\n",
     "else:\n",
     "    print('Provide an image url and try again.')"