remove some tests that were been rewrited in testNewPayroll.

In the future, testNewPayroll will replace testPayroll, but for now, old tests that are not yet rewrited for new payroll are kept as a reminder.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27454 20353a03-c40f-0410-a6d1-a30d3c3de9de