updated example JNB

Author: TejasMorbagal

examples/notebooks/publish_to_EarthCODE.ipynb

@@ -56,11 +56,8 @@
    "outputs": [],
    "source": [
     "import os\n",
-    "import xcube\n",
     "import warnings\n",
-    "import deep_code\n",
     "\n",
-    "from xcube.webapi.viewer import Viewer\n",
     "from xcube.core.store import new_data_store\n",
     "from deep_code.tools.lint import LintDataset\n",
     "from deep_code.tools.publish import Publisher"