SDL: removed unused headers for compatibility with libs.obj.
tree5f9a85f98abdd1a92a60733b2a842251a2117733
drwxr-xr-x - _tools
-rw-r--r-- 15079 build.txt
drwxr-xr-x - contrib
drwxr-xr-x - data
drwxr-xr-x - drivers
drwxr-xr-x - kernel
drwxr-xr-x - programs
drwxr-xr-x - skins
-rw-r--r-- 2222 tup.config.template