- always call S/R CALC_GRID_ANGLES to set new new projection array for   model C-grid velocity; - remove initialisation of all horizontal grid arrays (done in INI_GRID)
- always call S/R CALC_GRID_ANGLES to set new new projection array for
  model C-grid velocity;
- remove initialisation of all horizontal grid arrays (done in INI_GRID)

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h