sphinx: remove DocBook files

The Yocto Project documentation was migrated to Sphinx. Let's remove
the deprecated DocBook files.

(From yocto-docs rev: abdb6b6bdfef3dc8e8cc13779e44a8d6df903469)

Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
(cherry picked from commit 28fb0e63b2fbfd6426b00498bf2682bb53fdd862)
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 0 insertions, 104 deletions

diff --git a/documentation/dev-manual/dev-manual-intro.xml b/documentation/dev-manual/dev-manual-intro.xml
deleted file mode 100644
index 38de5e4f53..0000000000
--- a/documentation/dev-manual/dev-manual-intro.xml
+++ /dev/null
@@ -1,104 +0,0 @@
-<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
-[<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] >
-<!--SPDX-License-Identifier: CC-BY-2.0-UK-->
-
-<chapter id='dev-manual-intro'>
-
-<title>The Yocto Project Development Tasks Manual</title>
-    <section id='dev-welcome'>
-        <title>Welcome</title>
-
-        <para>
-            Welcome to the Yocto Project Development Tasks Manual!
-            This manual provides relevant procedures necessary for developing
-            in the Yocto Project environment (i.e. developing embedded Linux
-            images and user-space applications that run on targeted devices).
-            The manual groups related procedures into higher-level sections.
-            Procedures can consist of high-level steps or low-level steps
-            depending on the topic.
-        </para>
-
-        <para>
-            This manual provides the following:
-            <itemizedlist>
-                <listitem><para>
-                    Procedures that help you get going with the Yocto Project.
-                    For example, procedures that show you how to set up
-                    a build host and work with the Yocto Project
-                    source repositories.
-                    </para></listitem>
-                <listitem><para>
-                    Procedures that show you how to submit changes to the
-                    Yocto Project.
-                    Changes can be improvements, new features, or bug
-                    fixes.
-                    </para></listitem>
-                <listitem><para>
-                    Procedures related to "everyday" tasks you perform while
-                    developing images and applications using the Yocto
-                    Project.
-                    For example, procedures to create a layer, customize an
-                    image, write a new recipe, and so forth.
-                    </para></listitem>
-            </itemizedlist>
-        </para>
-
-        <para>
-            This manual does not provide the following:
-            <itemizedlist>
-                <listitem><para>
-                    Redundant Step-by-step Instructions:
-                    For example, the
-                    <ulink url='&YOCTO_DOCS_SDK_URL;'>Yocto Project Application Development and the Extensible Software Development Kit (eSDK)</ulink>
-                    manual contains detailed instructions on how to install an
-                    SDK, which is used to develop applications for target
-                    hardware.
-                    </para></listitem>
-                <listitem><para>
-                    Reference or Conceptual Material:
-                    This type of material resides in an appropriate reference
-                    manual.
-                    For example, system variables are documented in the
-                    <ulink url='&YOCTO_DOCS_REF_URL;'>Yocto Project Reference Manual</ulink>.
-                    </para></listitem>
-                <listitem><para>
-                    Detailed Public Information Not Specific to the
-                    Yocto Project:
-                    For example, exhaustive information on how to use the
-                    Source Control Manager Git is better covered with Internet
-                    searches and official Git Documentation than through the
-                    Yocto Project documentation.
-                    </para></listitem>
-            </itemizedlist>
-        </para>
-    </section>
-
-    <section id='other-information'>
-        <title>Other Information</title>
-
-        <para>
-            Because this manual presents information for many different
-            topics, supplemental information is recommended for full
-            comprehension.
-            For introductory information on the Yocto Project, see the
-            <ulink url='&YOCTO_HOME_URL;'>Yocto Project Website</ulink>.
-            If you want to build an image with no knowledge of Yocto Project
-            as a way of quickly testing it out, see the
-            <ulink url='&YOCTO_DOCS_BRIEF_URL;'>Yocto Project Quick Build</ulink>
-            document.
-        </para>
-
-        <para>
-            For a comprehensive list of links and other documentation, see the
-            "<ulink url='&YOCTO_DOCS_REF_URL;#resources-links-and-related-documentation'>Links and Related Documentation</ulink>"
-            section in the Yocto Project Reference Manual.
-        </para>
-
-        <para>
-        </para>
-    </section>
-</chapter>
-<!--
-vim: expandtab tw=80 ts=4
--->