Removed redundant expand_dims

Author: metric-space

site/en/tutorials/text/word2vec.ipynb

@@ -747,9 +747,6 @@
         "          name=\"negative_sampling\")\n",
         "\n",
         "      # Build context and label vectors (for one target word)\n",
-        "      negative_sampling_candidates = tf.expand_dims(\n",
-        "          negative_sampling_candidates, 1)\n",
-        "\n",
         "      context = tf.concat([tf.squeeze(context_class,1), negative_sampling_candidates], 0)\n",
         "      label = tf.constant([1] + [0]*num_ns, dtype=\"int64\")\n",
         "\n",