[remaster/mcs] more cleanup and shrinking work

scripts/3rdparty/remaster_mcs_inner_chroot_script_after.sh

@@ -134,6 +134,9 @@ rc-update del music default
 rm /.mcs -rf
 
 # Sabayon stuff
+echo "Working out Sabayon stuff"
+rm -rf /install-data || exit 1
+rm -rf /usr/share/sabayon/xdg || exit 1
 
 mount -t proc proc /proc
 /lib/rc/bin/rc-depend -u