Remove unnecessary #include directives to avoid #warning directives from
SELinux headers.  Further cleanup after glibc-rh1025934.patch.  Handled
upstream as part of the original commit.

diff --git a/nscd/selinux.c b/nscd/selinux.c
index 2bf4d1a66a9623b5..24b554765264ae63 100644
--- a/nscd/selinux.c
+++ b/nscd/selinux.c
@@ -28,9 +28,7 @@
 #include <syslog.h>
 #include <unistd.h>
 #include <sys/prctl.h>
-#include <selinux/av_permissions.h>
 #include <selinux/avc.h>
-#include <selinux/flask.h>
 #include <selinux/selinux.h>
 #ifdef HAVE_LIBAUDIT
 # include <libaudit.h>