Documentation: Remove duplicate x86 index entry

[Thomas Gleixner]

x86 got added twice to the index via the RST conversion and the MDS
documentation changes. Remove one instance.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 Documentation/index.rst |    1 -
 1 file changed, 1 deletion(-)

--- a/Documentation/index.rst
+++ b/Documentation/index.rst
@@ -112,7 +112,6 @@ implementation.
 .. toctree::
    :maxdepth: 2
 
-   x86/index
    sh/index
    x86/index