6237353: Remove sun.io package from j2se binary
Summary: Removed sun.io package and related test cases
Reviewed-by: alanb
#
# Diff of
# b2c: cdctables.zip/Package2.zip/IBM-1364A.zip/055444B0.TPMAP110
# c2b: cdctables.zip/Package2.zip/IBM-1364A.zip/055444B0.UPMAP110
# shows there are 6 additional c->b entries in UPMAP110, they are
# listed below (in b->c form)
#
# UPMAP110 also defines
# <subchar> \xFE\xFE
# and commend out
# #<subchar1> \x3F
# with
#
# <UFFFD> \xFE\xFD # (SUB)
# <UFFFD> \xFE\xFE # (SUB)
#
4148 00AD
4143 00B7
4149 2015
42A1 223C
496F 2299
4954 FF5E