git: 9619dba501 - main - fdp-primer: Remove emacs validation config for docbook

The branch main has been updated by lwhsu:

URL: https://cgit.FreeBSD.org/doc/commit/?id=9619dba501a8d0807a2deabf42ec794d741722de

commit 9619dba501a8d0807a2deabf42ec794d741722de
Author:     Minsoo Choo <minsoochoo0122@proton.me>
AuthorDate: 2024-06-02 18:08:18 +0000
Commit:     Li-Wen Hsu <lwhsu@FreeBSD.org>
CommitDate: 2024-06-02 18:11:23 +0000

    fdp-primer: Remove emacs validation config for docbook
    
    FreeBSD Documentation project now uses asciidoctor instead of docbook.
    Also, the web link for the config cannot be reached.
    
    Reviewed by:    Pau Amma <pauamma@gundo.com>, bcr, jrm
    Differential Revision:  https://reviews.freebsd.org/D42753
---
 .../en/books/fdp-primer/editor-config/_index.adoc     | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/documentation/content/en/books/fdp-primer/editor-config/_index.adoc b/documentation/content/en/books/fdp-primer/editor-config/_index.adoc
index 181bc6495c..b89309e962 100644
--- a/documentation/content/en/books/fdp-primer/editor-config/_index.adoc
+++ b/documentation/content/en/books/fdp-primer/editor-config/_index.adoc
@@ -175,25 +175,6 @@ In such cases properly mention that in the commit log.
 
 Install from package:editors/emacs[] or package:editors/emacs-devel[].
 
-[[editor-config-emacs-validation]]
-=== Validation
-
-Emacs's nxml-mode uses compact relax NG schemas for validating XML.
-A compact relax NG schema for FreeBSD's extension to DocBook 5.0 is included in the documentation repository.
-To configure nxml-mode to validate using this schema, create [.filename]#~/.emacs.d/schema/schemas.xml# and add these lines to the file:
-
-[source,xml]
-.`~/.emacs.d/schema/schemas.xml`
-....
-<locatingRules xmlns="http://thaiopensource.com/ns/locating-rules/1.0">
-  <documentElement localName="section" typeId="DocBook" />
-  <documentElement localName="chapter" typeId="DocBook" />
-  <documentElement localName="article" typeId="DocBook" />
-  <documentElement localName="book" typeId="DocBook" />
-  <typeId id="DocBook" uri="/usr/local/share/xml/docbook/5.0/rng/docbook.rnc" />
-</locatingRules>
-....
-
 [[editor-config-emacs-igor]]
 === Automated Proofreading with Flycheck and Igor