remove virtualbox support

config/graphic

@@ -70,11 +70,6 @@ get_graphicdrivers() {
       VDPAU_SUPPORT="yes"
     fi
 
-    if [ "$drv" = "virtualbox" ]; then
-      DRI_DRIVERS="$DRI_DRIVERS,swrast"
-      XORG_DRIVERS="$XORG_DRIVERS virtualbox"
-    fi
-
     if [ "$drv" = "vmware" ]; then
       DRI_DRIVERS="$DRI_DRIVERS,swrast"
       GALLIUM_DRIVERS="$GALLIUM_DRIVERS,svga"

projects/Virtual/options

@@ -85,12 +85,12 @@
   # for a list of additinoal drivers see packages/linux-drivers
   # Space separated list is supported,
   # e.g. ADDITIONAL_DRIVERS="DRIVER1 DRIVER2"
-    ADDITIONAL_DRIVERS="$ADDITIONAL_DRIVERS bcm_sta vboxguest"
+    ADDITIONAL_DRIVERS="$ADDITIONAL_DRIVERS bcm_sta"
 
   # Xorg Graphic drivers to use (all / i915,i965,r200,r300,r600,nvidia,nouveau,vmware,virtualbox)
   # Space separated list is supported,
   # e.g. GRAPHIC_DRIVERS="i915 i965 r300 r600 radeonsi nvidia nouveau"
-    GRAPHIC_DRIVERS="vmware virtualbox"
+    GRAPHIC_DRIVERS="vmware"
 
   # set the addon dirs
     ADDON_PATH="$ADDON_VERSION/Generic/$TARGET_ARCH"