staging: rtl8821ae: stats.c: Remove version specific code

The code should be for the current kernel version. Remove
conditional version based code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8821ae/stats.c

@@ -28,9 +28,7 @@
  *****************************************************************************/
 #include "wifi.h"
 #include "stats.h"
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
 #include <linux/export.h>
-#endif
 
 u8 rtl_query_rxpwrpercentage(char antpower)
 {