small fixes

notebooks/5_DataManagement/tfrecords.ipynb

@@ -173,17 +173,7 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "WARNING:tensorflow:From /home/orus/tf1/lib/python2.7/site-packages/tensorflow/python/data/ops/dataset_ops.py:1419: colocate_with (from tensorflow.python.framework.ops) is deprecated and will be removed in a future version.\n",
-      "Instructions for updating:\n",
-      "Colocations handled automatically by placer.\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Create TensorFlow session.\n",
     "sess = tf.Session()\n",