[PATCH] ref-manual: classes: remove insserv bbclass

[Maxin John <maxin.john@gmail.com>]

insserv.bbclass was removed from oe-core:

commit e6bb5dbb62257a7de730ea9085dfd89520f3e47d
Author: Richard Purdie <richard.purdie@linuxfoundation.org>
Date:   Sun May 10 12:30:49 2015 +0100

insserv: Remove

Signed-off-by: Maxin John <maxin.john@gmail.com>
---
 documentation/ref-manual/classes.rst | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index a8afe9f2dcb6..8d8bea47147c 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -1538,16 +1538,6 @@ Here are the tests you can list with the :term:`WARN_QA` and
    automatically get these versions. Consequently, you should only need
    to explicitly add dependencies to binary driver recipes.
 
-.. _ref-classes-insserv:
-
-``insserv``
-===========
-
-The :ref:`ref-classes-insserv` class uses the ``insserv`` utility to update the order
-of symbolic links in ``/etc/rc?.d/`` within an image based on
-dependencies specified by LSB headers in the ``init.d`` scripts
-themselves.
-
 .. _ref-classes-kernel:
 
 ``kernel``
-- 
2.39.2