[glom] Remove unused Dialog_Notebook class.

[Murray Cumming <murrayc src gnome org>]

commit 5ca05cd1c10ff128a64c05a413bc530363ed0a57
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Oct 30 21:08:09 2015 +0100

    Remove unused Dialog_Notebook class.

 Makefile_glom.am                                   |    2 -
 glom/base_db.cc                                    |    1 -
 glom/mode_design/layout/dialog_layout_details.cc   |    1 -
 .../layout/layout_item_dialogs/dialog_notebook.cc  |  237 --------------------
 .../layout/layout_item_dialogs/dialog_notebook.h   |   88 --------
 po/POTFILES.in                                     |    1 -
 tests/test_glade_derived_instantiation.cc          |    2 -
 7 files changed, 0 insertions(+), 332 deletions(-)
---
diff --git a/Makefile_glom.am b/Makefile_glom.am
index fd4b9e1..9459ee3 100644
--- a/Makefile_glom.am
+++ b/Makefile_glom.am
@@ -348,8 +348,6 @@ glom_source_files +=                                                        \
        glom/mode_design/layout/layout_item_dialogs/dialog_imageobject.h                \
        glom/mode_design/layout/layout_item_dialogs/dialog_line.cc              \
        glom/mode_design/layout/layout_item_dialogs/dialog_line.h                       \
-       glom/mode_design/layout/layout_item_dialogs/dialog_notebook.cc                  \
-       glom/mode_design/layout/layout_item_dialogs/dialog_notebook.h                   \
        glom/mode_design/layout/layout_item_dialogs/dialog_sortfields.cc        \
        glom/mode_design/layout/layout_item_dialogs/dialog_sortfields.h         \
        glom/mode_design/layout/layout_item_dialogs/dialog_textobject.cc                \
diff --git a/glom/base_db.cc b/glom/base_db.cc
index 4a76e28..f9108fa 100644
--- a/glom/base_db.cc
+++ b/glom/base_db.cc
@@ -31,7 +31,6 @@
 //#ifndef GLOM_ENABLE_CLIENT_ONLY
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_field_layout.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_formatting.h>
-#include <glom/mode_design/layout/layout_item_dialogs/dialog_notebook.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_textobject.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_imageobject.h>
 //#endif // !GLOM_ENABLE_CLIENT_ONLY
diff --git a/glom/mode_design/layout/dialog_layout_details.cc 
b/glom/mode_design/layout/dialog_layout_details.cc
index 4d869ec..7a823dc 100644
--- a/glom/mode_design/layout/dialog_layout_details.cc
+++ b/glom/mode_design/layout/dialog_layout_details.cc
@@ -21,7 +21,6 @@
 #include <glom/mode_design/layout/dialog_layout_details.h>
 #include <glom/mode_design/layout/dialog_choose_relationship.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_buttonscript.h>
-#include <glom/mode_design/layout/layout_item_dialogs/dialog_notebook.h>
 #include <glom/glade_utils.h>
 #include <glom/frame_glom.h> //For show_ok_dialog()
 //#include <libgnome/gnome-i18n.h>
diff --git a/po/POTFILES.in b/po/POTFILES.in
index aa84d36..94e55dc 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -105,7 +105,6 @@ glom/mode_design/layout/layout_item_dialogs/dialog_group_by.cc
 glom/mode_design/layout/layout_item_dialogs/dialog_fieldslist.cc
 glom/mode_design/layout/layout_item_dialogs/dialog_imageobject.cc
 glom/mode_design/layout/layout_item_dialogs/dialog_line.cc
-glom/mode_design/layout/layout_item_dialogs/dialog_notebook.cc
 glom/mode_design/layout/layout_item_dialogs/dialog_sortfields.cc
 glom/mode_design/layout/layout_item_dialogs/dialog_textobject.cc
 glom/mode_design/report_layout/dialog_layout_report.cc
diff --git a/tests/test_glade_derived_instantiation.cc b/tests/test_glade_derived_instantiation.cc
index 253d1ee..a3b6081 100644
--- a/tests/test_glade_derived_instantiation.cc
+++ b/tests/test_glade_derived_instantiation.cc
@@ -41,7 +41,6 @@
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_field_layout.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_line.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_imageobject.h>
-#include <glom/mode_design/layout/layout_item_dialogs/dialog_notebook.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_textobject.h>
 #include <glom/mode_design/layout/layout_item_dialogs/box_formatting.h>
 #include <glom/mode_design/layout/layout_item_dialogs/dialog_field_summary.h>
@@ -171,7 +170,6 @@ int main(int argc, char *argv[])
   instantiate_widget<Dialog_SortFields>();
   instantiate_widget<Dialog_Line>();
   instantiate_widget<Dialog_ImageObject>();
-  instantiate_widget<Dialog_Notebook>();
   instantiate_widget<Dialog_FieldSummary>();
   instantiate_widget<Dialog_GroupBy>();
   instantiate_widget<Dialog_IdentifyOriginal>();