[dia/cairo-port] Remove gdk interactive renderer

[Zander <zbrown src gnome org>]

commit e94f375af6a8eda09253ab4e74cd81d456071aac
Author: Zander Brown <zbrown gnome org>
Date:   Thu Dec 6 20:53:43 2018 +0000

    Remove gdk interactive renderer
    
    From now on cairo is the default interactive renderer

 app/Makefile.am    |   2 -
 app/display.c      |   1 -
 app/makefile.mingw |   1 -
 app/render_gdk.c   | 313 -----------------------------------------------------
 app/render_gdk.h   |  25 -----
 5 files changed, 342 deletions(-)
---
diff --git a/app/Makefile.am b/app/Makefile.am
index d8b1af6e..ffb2a988 100644
--- a/app/Makefile.am
+++ b/app/Makefile.am
@@ -155,8 +155,6 @@ dia_core_files = \
        menus.h \
        cut_n_paste.c \
        cut_n_paste.h \
-       render_gdk.c \
-       render_gdk.h \
        renderer/diacairo.c \
        renderer/diacairo.h \
        renderer/diacairo-interactive.c \
diff --git a/app/display.c b/app/display.c
index a67a261c..f3579a62 100644
--- a/app/display.c
+++ b/app/display.c
@@ -44,7 +44,6 @@
 #include "layer_dialog.h"
 #include "load_save.h"
 #include "dia-props.h"
-#include "render_gdk.h"
 #include "renderer/diacairo.h"
 #include "diatransform.h"
 #include "recent_files.h"
diff --git a/app/makefile.mingw b/app/makefile.mingw
index dfd4db7e..fd4373f7 100644
--- a/app/makefile.mingw
+++ b/app/makefile.mingw
@@ -70,7 +70,6 @@ OBJECTS = \
        properties-dialog.o \
        recent_files.o \
        render_eps.o \
-       render_gdk.o \
        render_libart.o \
        render_pixmap.o \
        scroll_tool.o \