changes authentication

Author: sambharia

api-reference/inference-api/authentication.mdx

@@ -14,9 +14,7 @@ To ensure secure access to Portkey's APIs, authentication is required for all re
 
 Based on your access level, you might see the relevant permissions on the API key modal - tick the ones you'd like, name your API key, and save it.
 
-<Card title="Virtual Keys" icon="key" href="/product/ai-gateway/virtual-keys">
-  Learn how Portkey's virtual key system works: use one Portkey API key to access multiple providers and models
-</Card>
+
 
 <Card title="JWT-based Authentication" href="#jwt-based-authentication">
     You can also authenticate Portkey using JWT Tokens. Learn more here

introduction/make-your-first-request.mdx

@@ -27,7 +27,6 @@ If you're using the **OpenAI SDK**, import the Portkey SDK and configure it with
 ### Portkey SDK
 
 You can also use the **Portkey SDK / REST APIs** directly to make the chat completion calls. This is a more versatile way to make LLM calls across any provider:
-
 <Card title="SDK" href="/api-reference/sdk" />