remove year in date format

;W580 R8BE001
;remove year in date format
;(c) weltonlin (CHINESE)
;(p) MILAD
+44140000
;1A64980: 254C25642D2562254C2D2579 202020202562254C254C2564 ;31-??-2008 -> ??31
1A64990: 25642D256D2D2579 20202025642D256D ;31-07-2008 -> 31-07
;1A6499C: 256D2F25642F2579 202020256D2F2564 ;07/31/2008 -> 07/31
;1A649A8: 2579256D2564 2020256D2564 ;20080731 -> 0731
1A649B0: 25642F256D2F2579 20202025642F256D ;31/07/2008 -> 31/07
1A649BC: 25642E256D2E2579 20202025642E256D ;31.07.2008 -> 31.07
;1A649C8: 25792D 202020 ;2008-07-31 -> 07-31