HPCC-8352 Remove out of date export declarations

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4129 from ghalliday/issue8352b

HPCC-8352 Remove out of date export declarations

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>