[devhelp] BookManager: remove deprecated function

[Sébastien Wilmet <swilmet src gnome org>]

commit bd32797ad07027edf0cd785e75303c416ae4e5b0
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Apr 30 11:16:37 2017 +0200

    BookManager: remove deprecated function

 docs/reference/devhelp-sections.txt |    1 -
 src/dh-book-manager.c               |   21 ---------------------
 src/dh-book-manager.h               |    4 ----
 3 files changed, 0 insertions(+), 26 deletions(-)
---
diff --git a/docs/reference/devhelp-sections.txt b/docs/reference/devhelp-sections.txt
index c4f2099..69dc8ac 100644
--- a/docs/reference/devhelp-sections.txt
+++ b/docs/reference/devhelp-sections.txt
@@ -99,7 +99,6 @@ DhBookManager
 dh_book_manager_new
 dh_book_manager_populate
 dh_book_manager_get_books
-dh_book_manager_get_languages
 dh_book_manager_get_group_by_language
 dh_book_manager_set_group_by_language
 <SUBSECTION Standard>
diff --git a/src/dh-book-manager.c b/src/dh-book-manager.c
index ae7a463..675b1c4 100644
--- a/src/dh-book-manager.c
+++ b/src/dh-book-manager.c
@@ -871,27 +871,6 @@ book_manager_dec_language (DhBookManager *book_manager,
 }
 
 /**
- * dh_book_manager_get_languages:
- * @book_manager: a #DhBookManager object
- *
- * Get the #GList of languages.
- *
- * Returns: (element-type DhLanguage) (transfer none): the list of languages
- * Deprecated: 3.18: Not used anywhere
- */
-GList *
-dh_book_manager_get_languages (DhBookManager *book_manager)
-{
-        DhBookManagerPrivate *priv;
-
-        g_return_val_if_fail (book_manager, NULL);
-
-        priv = dh_book_manager_get_instance_private (book_manager);
-
-        return priv->languages;
-}
-
-/**
  * dh_book_manager_new:
  *
  * Returns: a new #DhBookManager object.
diff --git a/src/dh-book-manager.h b/src/dh-book-manager.h
index ba37ff3..9fa7ef9 100644
--- a/src/dh-book-manager.h
+++ b/src/dh-book-manager.h
@@ -45,10 +45,6 @@ GType          dh_book_manager_get_type              (void) G_GNUC_CONST;
 DhBookManager *dh_book_manager_new                   (void);
 void           dh_book_manager_populate              (DhBookManager *book_manager);
 GList         *dh_book_manager_get_books             (DhBookManager *book_manager);
-
-G_DEPRECATED
-GList         *dh_book_manager_get_languages         (DhBookManager *book_manager);
-
 gboolean       dh_book_manager_get_group_by_language (DhBookManager *book_manager);
 void           dh_book_manager_set_group_by_language (DhBookManager *book_manager,
                                                       gboolean       group_by_language);