staging: rtl8821ae: efuse.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/efuse.c

@@ -29,9 +29,7 @@
 #include "wifi.h"
 #include "efuse.h"
 #include "btcoexist/halbt_precomp.h"
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
 #include <linux/export.h>
-#endif
 
 static const u8 MAX_PGPKT_SIZE = 9;
 static const u8 PGPKT_DATA_SIZE = 8;