remove bad comment

Author: rbs333

python-recipes/vector-search/03_float16_support.ipynb

@@ -403,7 +403,6 @@
     "\n",
     "index_name = \"movies16\"\n",
     "\n",
-    "# this won't work till we merge Justin's stuff\n",
     "schema16 = IndexSchema.from_dict({\n",
     "  \"index\": {\n",
     "    \"name\": index_name,\n",