package/wlroots: drop libcap dependency

libcap has been drroped since version 0.11.0 and
https://github.com/swaywm/wlroots/commit/906c0766df2fec4bd32c316fd1b0d46fded5fc84

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/wlroots/wlroots.mk

@@ -27,13 +27,6 @@ ifeq ($(BR2_PACKAGE_FFMPEG),y)
 WLROOTS_DEPENDENCIES += ffmpeg
 endif
 
-ifeq ($(BR2_PACKAGE_LIBCAP),y)
-WLROOTS_CONF_OPTS += -Dlibcap=enabled
-WLROOTS_DEPENDENCIES += libcap
-else
-WLROOTS_CONF_OPTS += -Dlibcap=disabled
-endif
-
 ifeq ($(BR2_PACKAGE_LIBPNG),y)
 WLROOTS_DEPENDENCIES += libpng
 endif