make/data/charsetmapping/IBM970.map

8213618: IBM970 charset has missing entry and remove unexpected entries
Reviewed-by: srl, martin

*** 1,17 ****
  #
  #    source: Cp970.b2c, which is identical(?) to 03CA34B0.TPMAP100
  #
- #    Warning:
- #        following 3 c->b only entries exist in the "old" implementation,
- #        they don't appear existing in any of of the cdc 970 tables. Added
- #        them into c2b for "compatibility
- #        6950  ->  a1aa    2014
- #        84f1  ->  a1a9    2010
- #        cf7f  ->  a1ad    301c
- #
- #
  00         0000                 
  01         0001                 
  02         0002                 
  03         0003                 
  04         0004                 
--- 1,8 ----
*** 292,301 ****
--- 283,293 ----
  A2BC       2660                 
  A2BD       2661                 
  A2BE       2665                 
  A2BF       2667                 
  A2C0       2663                 
+ A2C1       25C9                 
  A2C2       25C8                 
  A2C3       25A3                 
  A2C4       25D0                 
  A2C5       25D1                 
  A2C6       2592