package/sdl2: drop rpi-userland support

As we're about to remove the rpi-userland package, drop support for it
from package/sdl2.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/sdl2/sdl2.mk

@@ -27,6 +27,7 @@ SDL2_CONF_OPTS += \
 	--disable-video-offscreen \
 	--disable-video-vulkan \
 	--disable-video-directfb \
+	--disable-video-rpi \
 	--disable-ime \
 	--disable-ibus \
 	--disable-fcitx \
@@ -77,13 +78,6 @@ else
 SDL2_CONF_OPTS += --disable-3dnow
 endif
 
-ifeq ($(BR2_PACKAGE_SDL2_OPENGLES)$(BR2_PACKAGE_RPI_USERLAND),yy)
-SDL2_DEPENDENCIES += rpi-userland
-SDL2_CONF_OPTS += --enable-video-rpi
-else
-SDL2_CONF_OPTS += --disable-video-rpi
-endif
-
 # x-includes and x-libraries must be set for cross-compiling
 # By default x_includes and x_libraries contains unsafe paths.
 # (/usr/X11R6/include and /usr/X11R6/lib)