fix: remove outdated note about same API key for all endpoints

- Remove note that says same API key works for all endpoints
- This is no longer accurate when using Brev API keys

Author: T-DevH

notebooks/setup/complete_setup_guide.ipynb

@@ -423,7 +423,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Step 4: API Key Configuration (NVIDIA & Brev)\n\nThe Warehouse Operational Assistant uses NVIDIA NIMs (NVIDIA Inference Microservices) for AI capabilities. You'll need an NVIDIA API key to use these services.\n\n### Getting Your NVIDIA API Key\n\n1. **Visit**: https://build.nvidia.com/\n2. **Sign up** or log in to your NVIDIA account\n3. **Navigate** to the \"API Keys\" section\n4. **Create** a new API key\n5. **Copy** the API key (you'll need it in the next step)\n\n### What You'll Get Access To\n\n- **LLM Service** (Llama 3.3 Nemotron Super 49B) - for chat and reasoning\n- **Embedding Service** (llama-3_2-nv-embedqa-1b-v2) - for semantic search\n- **Document Processing** - OCR, parsing, and extraction\n- **NeMo Guardrails** - content safety and compliance\n\n**Note**: The same API key works for all NVIDIA cloud endpoints.\n"
+    "## Step 4: API Key Configuration (NVIDIA & Brev)\n\nThe Warehouse Operational Assistant uses NVIDIA NIMs (NVIDIA Inference Microservices) for AI capabilities. You'll need an NVIDIA API key to use these services.\n\n### Getting Your NVIDIA API Key\n\n1. **Visit**: https://build.nvidia.com/\n2. **Sign up** or log in to your NVIDIA account\n3. **Navigate** to the \"API Keys\" section\n4. **Create** a new API key\n5. **Copy** the API key (you'll need it in the next step)\n\n### What You'll Get Access To\n\n- **LLM Service** (Llama 3.3 Nemotron Super 49B) - for chat and reasoning\n- **Embedding Service** (llama-3_2-nv-embedqa-1b-v2) - for semantic search\n- **Document Processing** - OCR, parsing, and extraction\n- **NeMo Guardrails** - content safety and compliance\n\n\n"
    ]
   },
   {