Remove dp into xp which is meant to be set by user soon

src/array_mod.F90

src/basic_mod.F90

src/calculus_mod.F90

src/closure_mod.F90

src/coeff_mod.F90

src/collision_mod.F90

src/control.F90

src/cosolver_interface_mod.F90

src/diagnose.F90

src/fields_mod.F90

src/fourier_mod.F90

src/geometry_mod.F90

src/ghosts_mod.F90

src/grid_mod.F90

src/inital.F90

src/initial_par_mod.F90

src/lag_interp_mod.F90

src/miller_mod.F90

src/model_mod.F90

src/moments_eq_rhs_mod.F90