develop/ktcc: Post-SVN tidy

- Move source code from `trunk` into program root directory.
- Update build files.

programs/develop/ktcc/libc.obj/source/stdio/remove.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+#include <sys/ksys.h>
+
+int remove(const char *name) {
+	return _ksys_file_delete(name);
+}