samples/mic/mpssd/mpssd.h: remove duplicate header

Remove duplicate headers which are included more than once

Link: http://lkml.kernel.org/r/20190114170033.GA3674@hp-pavilion-15-notebook-pc-brajeswarSigned-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

samples/mic/mpssd/mpssd.h

@@ -37,21 +37,18 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
-#include <sys/types.h>
 #include <sys/mman.h>
 #include <sys/utsname.h>
 #include <sys/wait.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
-#include <pthread.h>
 #include <signal.h>
 #include <limits.h>
 #include <syslog.h>
 #include <getopt.h>
 #include <net/if.h>
 #include <linux/if_tun.h>
-#include <linux/if_tun.h>
 #include <linux/virtio_ids.h>
 
 #define MICSYSFSDIR "/sys/class/mic"