fix the tau+x linked JO [skip modfiles]
Description of bug
The symbolic JO files pointed to the wrong dir for the GG_2stepstau and SS_2stepstau grids. You can find more detail in https://its.cern.ch/jira/browse/ATLMCPROD-10423
Changes introduced
now the symbolic JO files pointed to the correct place
Tests
Issues resolved
Closes #