staging/lustre/style: removes obsolete EXPORT_SYMTAB macros v2

EXPORT_SYMTAB is obsolete after 2.4 kernel, this patch removes
EXPORT_SYMTAB from the source code again.

Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1347
Lustre-change: http://review.whamcloud.com/6739
Signed-off-by: Keith Mannthey <keith.mannthey@intel.com>
Reviewed-by: Peng Tao <bergwolf@gmail.com>
Reviewed-by: Liu Xuezhao <xuezhao.liu@emc.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/libcfs/libcfs_cpu.c

@@ -33,9 +33,6 @@
  * Author: liang@whamcloud.com
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_LNET
 
 #include <linux/libcfs/libcfs.h>

drivers/staging/lustre/lustre/libcfs/libcfs_lock.c

@@ -30,9 +30,6 @@
  * Author: liang@whamcloud.com
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_LNET
 
 #include <linux/libcfs/libcfs.h>

drivers/staging/lustre/lustre/libcfs/libcfs_mem.c

@@ -31,9 +31,6 @@
  * Author: liang@whamcloud.com
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_LNET
 
 #include <linux/libcfs/libcfs.h>

drivers/staging/lustre/lustre/obdclass/llog_osd.c

@@ -41,10 +41,6 @@
 
 #define DEBUG_SUBSYSTEM S_LOG
 
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
-
 #include <obd.h>
 #include <obd_class.h>
 #include <lustre_fid.h>