[devhelp: 15/16] App: remove dh_app_peek_book_manager()

[Sébastien Wilmet <swilmet src gnome org>]

commit 60bdee1c890a7cbbdd57f4e4ecc501a91b926e75
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon May 1 18:39:34 2017 +0200

    App: remove dh_app_peek_book_manager()
    
    No longer used by Devhelp itself, and is neither used by Anjuta nor
    gnome-builder.

 docs/reference/devhelp-sections.txt |    1 -
 src/dh-app.c                        |   14 --------------
 src/dh-app.h                        |    3 ---
 3 files changed, 0 insertions(+), 18 deletions(-)
---
diff --git a/docs/reference/devhelp-sections.txt b/docs/reference/devhelp-sections.txt
index f4964f8..59bcd77 100644
--- a/docs/reference/devhelp-sections.txt
+++ b/docs/reference/devhelp-sections.txt
@@ -9,7 +9,6 @@ dh_init
 <TITLE>DhApp</TITLE>
 DhApp
 dh_app_new
-dh_app_peek_book_manager
 dh_app_peek_first_window
 dh_app_peek_assistant
 dh_app_new_window
diff --git a/src/dh-app.c b/src/dh-app.c
index 2b1366b..05fc3db 100644
--- a/src/dh-app.c
+++ b/src/dh-app.c
@@ -31,20 +31,6 @@
 G_DEFINE_TYPE (DhApp, dh_app, GTK_TYPE_APPLICATION);
 
 /**
- * dh_app_peek_book_manager:
- * @app: a #DhApp object
- *
- * Get the associated #DhBookManager.
- *
- * Returns: (transfer none): the book manager associated with this
- */
-DhBookManager *
-dh_app_peek_book_manager (DhApp *app)
-{
-        return dh_book_manager_get_singleton ();
-}
-
-/**
  * dh_app_peek_first_window:
  * @app: a #DhApp object
  *
diff --git a/src/dh-app.h b/src/dh-app.h
index 43b5174..faceabd 100644
--- a/src/dh-app.h
+++ b/src/dh-app.h
@@ -21,8 +21,6 @@
 
 #include <gtk/gtk.h>
 
-#include "dh-book-manager.h"
-
 G_BEGIN_DECLS
 
 #define DH_TYPE_APP         (dh_app_get_type ())
@@ -47,7 +45,6 @@ GType dh_app_get_type (void) G_GNUC_CONST;
 
 DhApp         *dh_app_new               (void);
 
-DhBookManager *dh_app_peek_book_manager (DhApp *app);
 GtkWindow     *dh_app_peek_first_window (DhApp *app);
 GtkWindow     *dh_app_peek_assistant    (DhApp *app);