Update Installation-Guide.rst

Author: Rmalavally

Installation_Guide/Installation-Guide.rst

@@ -481,20 +481,6 @@ HIP Installation Instructions
 
 HIP can be easily installed using the pre-built binary packages with the package manager for your platform.
 
--  `Installing pre-built packages <#installing-pre-built-packages>`__
-
-   -  `HIP Prerequisites`_
-   -  `AMD Platform`_
-   -  `NVIDIA Platform`_
-   
-   
--  `Building HIP from source <#building-hip-from-source>`__
-
-   -  `Build ROCclr`_
-   -  `Build HIP`_
-   -  `Default paths and environment variables`_
-
--  `Verify your installation <#verify-your-installation>`__
 
 Installing pre-built packages
 =============================