Remove mention of gss_import_cred_ptr. HTCONDOR-519
Remove mention of gss_import_cred_ptr. HTCONDOR-519

This was missed in the removal of now-unused GSI symbols.

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor