un-skip telemetry cells in notebook

docs/notebooks/Llama_Stack_Building_AI_Applications.ipynb

@@ -2865,7 +2865,6 @@
         }
       ],
       "source": [
-        "# NBVAL_SKIP\n",
         "print(f\"Getting traces for session_id={session_id}\")\n",
         "import json\n",
         "\n",
@@ -2985,8 +2984,6 @@
         }
       ],
       "source": [
-        "# NBVAL_SKIP\n",
-        "\n",
         "# post-process telemetry spance and prepare data for eval\n",
         "# in this case, we want to assert that all user prompts is followed by a tool call\n",
         "import ast\n",