staging: lustre: remove some unneeded cflags

The lnet code did not even need the cflags setting in the Makefile, so
remove it, as it is not doing anything at all.

Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: hpdd-discuss <hpdd-discuss@lists.01.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/klnds/o2iblnd/Makefile

 obj-$(CONFIG_LNET_XPRT_IB) += ko2iblnd.o
 ko2iblnd-y := o2iblnd.o o2iblnd_cb.o o2iblnd_modparams.o
-
-
-ccflags-y := -I$(src)/../../include

drivers/staging/lustre/lnet/klnds/socklnd/Makefile

 obj-$(CONFIG_LNET) += ksocklnd.o
 
 ksocklnd-y := socklnd.o socklnd_cb.o socklnd_proto.o socklnd_modparams.o socklnd_lib-linux.o
-
-
-
-ccflags-y := -I$(src)/../../include

drivers/staging/lustre/lnet/lnet/Makefile

@@ -3,6 +3,3 @@ obj-$(CONFIG_LNET) += lnet.o
 lnet-y := api-ni.o config.o lib-me.o lib-msg.o lib-eq.o	\
 	  lib-md.o lib-ptl.o lib-move.o module.o lo.o router.o		\
 	  router_proc.o acceptor.o peer.o
-
-
-ccflags-y := -I$(src)/../include

drivers/staging/lustre/lnet/selftest/Makefile

@@ -2,5 +2,3 @@ obj-$(CONFIG_LNET_SELFTEST) := lnet_selftest.o
 
 lnet_selftest-y := console.o conrpc.o conctl.o framework.o timer.o rpc.o \
 		   module.o ping_test.o brw_test.o
-
-ccflags-y := -I$(src)/../include