gtk-xfce-engine: remove this recipe

* Part of xfce 4.14 changelog
  Theme Engine (gtk-xfce-engine)
      The gtk-xfce-engine has been deprecated and archived.

* repo have been remove from upstream
  https://archive.xfce.org/src/xfce/
  no gtk-xfce-engine now

so remove this recipe

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Kai Kang <kai.kang@windriver.com>

meta-xfce/recipes-xfce/gtk-xfce-engine/gtk-xfce-engine/glib-2.54-ftbfs.patch

@@ -1,23 +0,0 @@
-Description: Fix FTBFS with glib 2.54
- glib-mkenums now expects input files to be UTF-8,
- fix the encoding of libgnomeui/gnome-scores.h
-Author: Adrian Bunk <bunk@debian.org>
-
-ported from: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870738
-
-Upstream-Status: Pending
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
-
-Index: gtk-xfce-engine-3.2.0/gtk-3.0/xfce_style_types.h
-===================================================================
---- gtk-xfce-engine-3.2.0.orig/gtk-3.0/xfce_style_types.h
-+++ gtk-xfce-engine-3.2.0/gtk-3.0/xfce_style_types.h
-@@ -19,7 +19,7 @@
-  *
-  *  Portions based Thinice port by 
-  *                       Tim Gerla <timg@rrv.net>,
-- *                       Tomas Ögren <stric@ing.umu.se,
-+ *                       Tomas Ögren <stric@ing.umu.se>,
-  *                       Richard Hult <rhult@codefactory.se>
-  *  Portions based on Smooth theme by
-  *                       Andrew Johnson <ajgenius@ajgenius.us>

meta-xfce/recipes-xfce/gtk-xfce-engine/gtk-xfce-engine_3.2.0.bb

@@ -1,30 +0,0 @@
-SUMMARY = "XFCE theme for GTK"
-SECTION = "x11/libs"
-LICENSE = "GPLv2"
-LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
-DEPENDS = "gtk+ xfce4-dev-tools-native"
-
-inherit xfce features_check
-
-REQUIRED_DISTRO_FEATURES = "x11"
-
-SRC_URI += "file://glib-2.54-ftbfs.patch"
-
-SRC_URI[md5sum] = "363d6c16a48a00e26d45c45c2e1fd739"
-SRC_URI[sha256sum] = "875c9c3bda96faf050a2224649cc42129ffb662c4de33add8c0fd1fb860b47ed"
-
-PACKAGECONFIG ??= "gtk3"
-PACKAGECONFIG[gtk3] = "--enable-gtk3,--disable-gtk3, gtk+3, gtk3-xfce-engine"
-
-PACKAGES += "${PN}-themes gtk3-xfce-engine"
-FILES_${PN} += "${libdir}/gtk-2.0/*/engines/*.so"
-FILES_gtk3-xfce-engine += "${libdir}/gtk-3.0/*/theming-engines/*.so"
-FILES_${PN}-themes += "${datadir}/themes"
-
-FILES_${PN}-dev += " \
-    ${libdir}/gtk-2.0/*/engines/*.la \
-    ${libdir}/gtk-3.0/*/theming-engines/*.la \
-"
-
-RDEPENDS_${PN} += "${PN}-themes"
-RDEPENDS_gtk3-xfce-engine += "${PN}-themes"

meta-xfce/recipes-xfce/packagegroups/packagegroup-xfce-base.bb

@@ -13,7 +13,6 @@ RDEPENDS_${PN} = " \
     xfdesktop \
     xfce4-panel \
     \
-    gtk-xfce-engine \
     librsvg-gtk \
     \
     xfce4-panel-plugin-actions \