pgsql: Remove personal copyright now that file has been rewritten using

Log Message:
-----------
Remove personal copyright now that file has been rewritten using
existing *.pl conversion script.

Andreas 'ads' Scherbaum

Modified Files:
--------------
pgsql/src/backend/utils/mb/Unicode:
UCS_to_GB18030.pl (r1.5 -> r1.6)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mb/Unicode/UCS_to_GB18030.pl?r1=1.5&r2=1.6)