Update index.md

Author: bnasslahsen

index.md

@@ -20,10 +20,7 @@ This library supports:
 
 The following video introduces the Library:
 
-[![Watch the video](https://springdoc.org/assets/images/springdoc-openapi-conf.gif)](https://youtu.be/utRxyPfFlDw)
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-
-[![Watch the video](https://springdoc.org/assets/images/springdoc-openapi-prez.jpg)](https://youtu.be/utRxyPfFlDw)
+[![Watch the video](https://springdoc.org/assets/images/springdoc-openapi-prez.gif)](https://youtu.be/utRxyPfFlDw)
 
 This is a community-based project, not maintained by the Spring Framework Contributors (Pivotal).