giannozz

New change needed after https://gitlab.com/QEF/q-e/-/merge_requests/1702 (spline removal in QE): - removal of case `if(spline_ps)` in `init_us 2_no_phase.f90` NOTA BENE: it seems to me that `init_us 2_no_phase` == `init_us 2` with...