scsi: target: Remove the unused function transport_lba_64_ext()

The function transport_lba_64_ext() is defined in the target_core_sbc.c
file, but not called elsewhere, so remove this unused function.

drivers/target/target_core_sbc.c:276:34: warning: unused function 'transport_lba_64_ext'.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2427Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221018081235.124662-1-jiapeng.chong@linux.alibaba.comSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/target/target_core_sbc.c

@@ -270,14 +270,6 @@ static inline unsigned long long transport_lba_64(unsigned char *cdb)
 	return get_unaligned_be64(&cdb[2]);
 }
 
-/*
- * For VARIABLE_LENGTH_CDB w/ 32 byte extended CDBs
- */
-static inline unsigned long long transport_lba_64_ext(unsigned char *cdb)
-{
-	return get_unaligned_be64(&cdb[12]);
-}
-
 static sense_reason_t
 sbc_setup_write_same(struct se_cmd *cmd, unsigned char flags, struct sbc_ops *ops)
 {