[gnome-builder] libide: remove old theme manager code

[Christian Hergert <chergert src gnome org>]

commit 99829447154c92ef4517ce5221c81b5e7b145077
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jun 6 14:21:08 2017 -0700

    libide: remove old theme manager code
    
    This has all moved into libdazzle and is managed as part of DzlApplication.
    We no longer need this code in libide.

 libide/application/ide-application-plugins.c |    1 -
 libide/application/ide-application.c         |    2 -
 libide/meson.build                           |    4 -
 libide/theming/ide-css-provider.c            |  272 --------------------------
 libide/theming/ide-css-provider.h            |   34 ----
 libide/theming/ide-theme-manager.c           |  157 ---------------
 libide/theming/ide-theme-manager.h           |   34 ----
 7 files changed, 0 insertions(+), 504 deletions(-)
---
diff --git a/libide/application/ide-application-plugins.c b/libide/application/ide-application-plugins.c
index 5ac5928..66ac8de 100644
--- a/libide/application/ide-application-plugins.c
+++ b/libide/application/ide-application-plugins.c
@@ -28,7 +28,6 @@
 #include "application/ide-application.h"
 #include "application/ide-application-addin.h"
 #include "application/ide-application-private.h"
-#include "theming/ide-css-provider.h"
 #include "util/ide-flatpak.h"
 
 static const gchar *blacklisted_plugins[] = {
diff --git a/libide/application/ide-application.c b/libide/application/ide-application.c
index a421fb1..cc8d60d 100644
--- a/libide/application/ide-application.c
+++ b/libide/application/ide-application.c
@@ -42,8 +42,6 @@
 #include "application/ide-application-tool.h"
 #include "modelines/modeline-parser.h"
 #include "resources/ide-resources.h"
-#include "theming/ide-css-provider.h"
-#include "theming/ide-theme-manager.h"
 #include "util/ide-flatpak.h"
 #include "workbench/ide-workbench.h"
 #include "workers/ide-worker.h"
diff --git a/libide/meson.build b/libide/meson.build
index e1050ad..6fb4682 100644
--- a/libide/meson.build
+++ b/libide/meson.build
@@ -531,10 +531,6 @@ libide_sources = libide_generated_headers + libide_public_sources + [
   'subprocess/ide-breakout-subprocess-private.h',
   'subprocess/ide-simple-subprocess.c',
   'subprocess/ide-simple-subprocess.h',
-  'theming/ide-css-provider.c',
-  'theming/ide-css-provider.h',
-  'theming/ide-theme-manager.c',
-  'theming/ide-theme-manager.h',
   'util/ide-async-helper.c',
   'util/ide-async-helper.h',
   'util/ide-battery-monitor.c',