Update dummy_agent_library.ipynb

dummy_agent_library.ipynb

@@ -356,7 +356,6 @@
       "The only values that should be in the \"action\" field are:\n",
       "get_weather: Get the current weather in a given location, args: {\"location\": {\"type\": \"string\"}}\n",
       "example use :\n",
-      "```\n",
       "{{\n",
       "  \"action\": \"get_weather\",\n",
       "  \"action_input\": {\"location\": \"New York\"}\n",