[gnome-todo] Remove documentation

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 65bf4c7470b265b68ed0224c0b2a200f84b435cb
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Sep 14 14:34:45 2021 -0300

    Remove documentation
    
    It's old, obsolete, and unused.
    
    Closes https://gitlab.gnome.org/GNOME/gnome-todo/-/issues/407

 doc/reference/gnome-todo-docs.sgml      |  47 --------
 doc/reference/gnome-todo-overrides.txt  |   0
 doc/reference/gnome-todo-sections.txt   | 188 --------------------------------
 doc/reference/images/notification.png   | Bin 5132 -> 0 bytes
 doc/reference/meson.build               |  73 -------------
 doc/reference/version.xml.in            |   1 -
 doc/reference/xml/gtkdocentities.ent.in |   7 --
 doc/reference/xml/meson.build           |   7 --
 meson.build                             |   6 -
 meson_options.txt                       |   1 -
 10 files changed, 330 deletions(-)
---
diff --git a/meson.build b/meson.build
index 7bbd5baf..a0e2d076 100644
--- a/meson.build
+++ b/meson.build
@@ -175,11 +175,6 @@ subdir('po')
 subdir('tests')
 subdir('help')
 
-enable_documentation = get_option('documentation')
-if enable_documentation
-  subdir('doc/reference')
-endif
-
 summary({
   'Source': meson.source_root(),
   'Prefix': gnome_todo_prefix,
@@ -188,7 +183,6 @@ summary({
 summary({
   'Debug': gnome_todo_debug,
   'Tracing': gnome_todo_tracing,
-  'Documentation': enable_documentation,
 }, section: 'Development')
 
 summary({
diff --git a/meson_options.txt b/meson_options.txt
index ffe18d9f..307a4199 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,4 +1,3 @@
-option('documentation', type: 'boolean', value: false, description: 'Use gtk-doc to build documentation')
 option('introspection', type: 'boolean', value: true, description: 'Enable GObject Introspection (depends on 
GObject)')
 option('tracing', type: 'boolean', value: false, description: 'Enable application tracing')
 option('profile', type: 'combo', choices: ['default', 'development'], value: 'default', description: 'Build 
profiles')