remove get_grids_1d from within gdat_tcv.m since now uses generic function,...

remove get_grids_1d from within gdat_tcv.m since now uses generic function, should add this to AUG, D3D as well...

git-svn-id: https://spcsvn.epfl.ch/repos/TCV/gdat/trunk@8151 d63d8f72-b253-0410-a779-e742ad2e26cf