selftests: pp-bench: remove unneeded linux/version.h

linux/version.h was used by the out-of-tree version, but not needed in
the upstream one anymore.

While I'm at it, sort the includes.

Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Mina Almasry <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Reviewed-by: Toke Høiland-Jørgensen <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Acked-by: Jesper Dangaard Brouer <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: mina

tools/testing/selftests/net/bench/page_pool/bench_page_pool_simple.c

@@ -5,15 +5,12 @@
  */
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/interrupt.h>
+#include <linux/limits.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
-
-#include <linux/version.h>
 #include <net/page_pool/helpers.h>
 
-#include <linux/interrupt.h>
-#include <linux/limits.h>
-
 #include "time_bench.h"
 
 static int verbose = 1;