Remove fabric testing from index

Change-Id: Ie141b405bd90faf37b043bc322f5b8312921373a
diff --git a/index.rst b/index.rst
index e3a2307..0d9d908 100644
--- a/index.rst
+++ b/index.rst
@@ -52,7 +52,6 @@
    :glob:
 
    testing/about_system_tests
-   testing/fabric_testing
    testing/sdcore_testing
    testing/aether-roc-api-tests
    testing/acceptance_specification