Simplify BYOK note on API keys page

Author: nijikokun

ai-gateway/concepts/api-keys.mdx

@@ -42,7 +42,7 @@ Use AI Gateway API Keys when you want to:
 - **Let ngrok handle key management**: no provider keys to rotate or secure
 
 <Note>
-AI Gateway API Keys currently work with **OpenAI** and **Anthropic**. For other providers like Google, DeepSeek, or self-hosted models, use [Bring Your Own Keys](/ai-gateway/concepts/bring-your-own-keys). You can also combine both—use AI Gateway API Keys for OpenAI and Anthropic while bringing your own keys for other providers in the same gateway.
+AI Gateway API Keys work with **OpenAI** and **Anthropic** only. For Google, DeepSeek, self-hosted models, and other providers, use [Bring Your Own Keys](/ai-gateway/concepts/bring-your-own-keys). Both can coexist in the same gateway.
 </Note>
 
 ## Creating keys