Update docs what-is-pezzo.mdx (#340)

Author: code-abdulrehman

docs/introduction/what-is-pezzo.mdx

@@ -5,7 +5,7 @@ title: 'What is Pezzo?'
 Pezzo is a powerful open-source toolkit designed to streamline the process of AI development. It empowers developers and teams to leverage the full potential of AI models in their applications with ease.
 
 <Frame>
-  <img src="https://cdn.pezzo.ai/banner.png" />
+  <img src="banner.png" />
 </Frame>
 
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