Fix gpt-4 vision link (#1546)

Author: adamdougal

docs/deploy_features.md

@@ -99,7 +99,7 @@ If you have already deployed:
 
 ## Enabling GPT-4 Turbo with Vision
 
-This section covers the integration of GPT-4 Vision with Azure AI Search. Learn how to enhance your search capabilities with the power of image and text indexing, enabling advanced search functionalities over diverse document types. For a detailed guide on setup and usage, visit our [Enabling GPT-4 Turbo with Vision](docs/gpt4v.md) page.
+This section covers the integration of GPT-4 Vision with Azure AI Search. Learn how to enhance your search capabilities with the power of image and text indexing, enabling advanced search functionalities over diverse document types. For a detailed guide on setup and usage, visit our [Enabling GPT-4 Turbo with Vision](gpt4v.md) page.
 
 ## Enabling Integrated Vectorization