Load text tutorial: Remove unecessary +1 from VOCAB_SIZE+1

Author: vaharoni

site/en/tutorials/load_data/text.ipynb

@@ -689,8 +689,7 @@
       },
       "outputs": [],
       "source": [
-        "# `vocab_size` is `VOCAB_SIZE + 1` since `0` is used additionally for padding.\n",
-        "int_model = create_model(vocab_size=VOCAB_SIZE + 1, num_labels=4)\n",
+        "int_model = create_model(vocab_size=VOCAB_SIZE, num_labels=4)\n",
         "int_model.compile(\n",
         "    loss=losses.SparseCategoricalCrossentropy(from_logits=True),\n",
         "    optimizer='adam',\n",