package/cegui: remove tinyxml2 dependency

Remove tinyxml2 dependency as tinyxml2 is not a part of version 0.8.7.

Indeed, tinyxml2 has been added in September 2016 with
https://github.com/cegui/cegui/commit/49b3fd9d6f0d7555198379514b155bcd61daef67
whereas version 0.8.7 has been released in April 2016

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/cegui/cegui.mk

@@ -83,13 +83,6 @@ else
 CEGUI_CONF_OPTS += -DCEGUI_BUILD_XMLPARSER_TINYXML=OFF
 endif
 
-ifeq ($(BR2_PACKAGE_TINYXML2),y)
-CEGUI_DEPENDENCIES += tinyxml2
-CEGUI_CONF_OPTS += -DCEGUI_BUILD_XMLPARSER_TINYXML2=ON
-else
-CEGUI_CONF_OPTS += -DCEGUI_BUILD_XMLPARSER_TINYXML2=OFF
-endif
-
 ifeq ($(BR2_PACKAGE_LIBFREEIMAGE),y)
 CEGUI_DEPENDENCIES += libfreeimage
 CEGUI_CONF_OPTS += -DCEGUI_BUILD_IMAGECODEC_FREEIMAGE=ON