ref-manual: remove 'ref' from filenames

All filenames duplicate the 'manual name', which is not needed, and
make all references longer than they should. Rename all files to be as
consise as possible, and fix all references

(From yocto-docs rev: bb7e4783f45a5f67e6e4b39968f3512f43738833)

Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/migration-2.1.rst b/documentation/ref-manual/migration-2.1.rst
index a1d7b9a2da..e8b3ada264 100644
--- a/documentation/ref-manual/migration-2.1.rst
+++ b/documentation/ref-manual/migration-2.1.rst
@@ -360,7 +360,7 @@ These additional changes exist:
 -  The minimum Git version has been increased to 1.8.3.1. If your host
    distribution does not provide a sufficiently recent version, you can
    install the buildtools, which will provide it. See the
-   :ref:`ref-manual/ref-system-requirements:required git, tar, python and gcc versions`
+   :ref:`ref-manual/system-requirements:required git, tar, python and gcc versions`
    section for more information on the buildtools tarball.
 
 -  The buggy and incomplete support for the RPM version 4 package