chore: update doc

# What does this PR do?


## Test Plan

docs/notebooks/Alpha_Llama_Stack_Post_Training.ipynb

@@ -2864,7 +2864,7 @@
     }
    ],
    "source": [
-    "!llama stack build --distro experimental-post-training --image-type venv --image-name __system__"
+    "llama stack list-deps experimental-post-training | xargs -L1 uv pip install --image-name __system__\n"
    ]
   },
   {

docs/notebooks/Llama_Stack_Agent_Workflows.ipynb

@@ -38,7 +38,7 @@
    "source": [
     "# NBVAL_SKIP\n",
     "!pip install -U llama-stack\n",
-    "!UV_SYSTEM_PYTHON=1 llama stack build --distro fireworks --image-type venv"
+    "llama stack list-deps fireworks | xargs -L1 uv pip install\n"
    ]
   },
   {

docs/notebooks/crewai/Llama_Stack_CrewAI.ipynb

@@ -136,7 +136,8 @@
     "    \"\"\"Build and run LlamaStack server in one step using --run flag\"\"\"\n",
     "    log_file = open(\"llama_stack_server.log\", \"w\")\n",
     "    process = subprocess.Popen(\n",
-    "        \"uv run --with llama-stack llama stack build --distro starter --image-type venv --run\",\n",
+    "llama stack list-deps starter | xargs -L1 uv pip install\n",
+    "llama stack run starter --image-type venv --run\",\n",
     "        shell=True,\n",
     "        stdout=log_file,\n",
     "        stderr=log_file,\n",
@@ -172,7 +173,7 @@
     "\n",
     "def kill_llama_stack_server():\n",
     "    # Kill any existing llama stack server processes using pkill command\n",
-    "    os.system(\"pkill -f llama_stack.core.server.server\")"
+    "    os.system(\"pkill -f llama_stack.core.server.server\")\n"
    ]
   },
   {

docs/notebooks/langchain/Llama_Stack_LangChain.ipynb

@@ -105,7 +105,8 @@
     "    \"\"\"Build and run LlamaStack server in one step using --run flag\"\"\"\n",
     "    log_file = open(\"llama_stack_server.log\", \"w\")\n",
     "    process = subprocess.Popen(\n",
-    "        \"uv run --with llama-stack llama stack build --distro starter --image-type venv --run\",\n",
+    "llama stack list-deps starter | xargs -L1 uv pip install\n",
+    "llama stack run starter --image-type venv --run\",\n",
     "        shell=True,\n",
     "        stdout=log_file,\n",
     "        stderr=log_file,\n",
@@ -141,7 +142,7 @@
     "\n",
     "def kill_llama_stack_server():\n",
     "    # Kill any existing llama stack server processes using pkill command\n",
-    "    os.system(\"pkill -f llama_stack.core.server.server\")"
+    "    os.system(\"pkill -f llama_stack.core.server.server\")\n"
    ]
   },
   {

docs/notebooks/nvidia/beginner_e2e/Llama_Stack_NVIDIA_E2E_Flow.ipynb

@@ -90,11 +90,7 @@
   {
    "cell_type": "markdown",
    "metadata": {},
-   "source": [
-    "```bash\n",
-    "LLAMA_STACK_DIR=$(pwd) llama stack build --distro nvidia --image-type venv\n",
-    "```"
-   ]
+   "source": []
   },
   {
    "cell_type": "markdown",

docs/notebooks/nvidia/tool_calling/1_data_preparation.ipynb

@@ -79,11 +79,7 @@
   {
    "cell_type": "markdown",
    "metadata": {},
-   "source": [
-    "```bash\n",
-    "LLAMA_STACK_DIR=$(pwd) llama stack build --distro nvidia --image-type venv\n",
-    "```"
-   ]
+   "source": []
   },
   {
    "cell_type": "markdown",