package/cegui: remove dependency to libfreeimage

Due to security reasons libfreeimage will be removed from buildroot:
https://sourceforge.net/p/freeimage/discussion/36109/thread/435a3549f4/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/cegui/cegui.mk

@@ -11,6 +11,7 @@ CEGUI_LICENSE_FILES = COPYING
 CEGUI_INSTALL_STAGING = YES
 CEGUI_CONF_OPTS = \
 	-DCEGUI_HAS_MINIZIP_RESOURCE_PROVIDER=OFF \
+	-DCEGUI_BUILD_IMAGECODEC_FREEIMAGE=OFF \
 	-DCEGUI_BUILD_RENDERER_IRRLICHT=OFF \
 	-DCEGUI_BUILD_RENDERER_OGRE=OFF \
 	-DCEGUI_BUILD_RENDERER_OPENGLES=OFF \
@@ -92,11 +93,4 @@ else
 CEGUI_CONF_OPTS += -DCEGUI_BUILD_XMLPARSER_TINYXML=OFF
 endif
 
-ifeq ($(BR2_PACKAGE_LIBFREEIMAGE),y)
-CEGUI_DEPENDENCIES += libfreeimage
-CEGUI_CONF_OPTS += -DCEGUI_BUILD_IMAGECODEC_FREEIMAGE=ON
-else
-CEGUI_CONF_OPTS += -DCEGUI_BUILD_IMAGECODEC_FREEIMAGE=OFF
-endif
-
 $(eval $(cmake-package))