Fixes issues #4 and #5

Remove silly change on mbku/mbkv/mbkf at the surface: this is useless
and is not compatible with 1 layer configurations (e.g. SWG and
ICE_AGRIF). Revert changes to namelists in ICE_AGRIF

src/OCE/DOM/dommsk.F90

@@ -160,9 +160,6 @@ CONTAINS
       ! In case of a coarsened grid, account her for possibly aditionnal  
       ! masked points; these have been read in the mesh file and stored in mbku, mbkv, mbkf
       DO_2D( 0, 0, 0, 0 )
-         IF (mbku(ji,jj)<=1 ) umask(ji,jj,:) = 0._wp
-         IF (mbkv(ji,jj)<=1 ) vmask(ji,jj,:) = 0._wp
-         IF (mbkf(ji,jj)<=1 ) fmask(ji,jj,:) = 0._wp
          IF ( MAXVAL(umask(ji,jj,:))/=0._wp )  umask(ji,jj,mbku(ji,jj)+1:jpk) = 0._wp
          IF ( MAXVAL(vmask(ji,jj,:))/=0._wp )  vmask(ji,jj,mbkv(ji,jj)+1:jpk) = 0._wp
          IF ( MAXVAL(fmask(ji,jj,:))/=0._wp )  fmask(ji,jj,mbkf(ji,jj)+1:jpk) = 0._wp

tests/ICE_AGRIF/EXPREF/1_namelist_cfg

@@ -105,7 +105,6 @@
 &namagrif      !  AGRIF zoom                                            ("key_agrif")
 !-----------------------------------------------------------------------
    ln_init_chfrpar = .true.  !  initialize child grids from parent
-   ln_chk_bathy    = .false. !  =T  check the parent bathymetry
 /
 !!======================================================================
 !!                ***  Top/Bottom boundary condition  ***             !!

tests/ICE_AGRIF/EXPREF/namelist_cfg

@@ -104,8 +104,6 @@
 !-----------------------------------------------------------------------
 &namagrif      !  AGRIF zoom                                            ("key_agrif")
 !-----------------------------------------------------------------------
-   ln_init_chfrpar = .true.  !  initialize child grids from parent
-   ln_chk_bathy    = .false. !  =T  check the parent bathymetry
 /
 !!======================================================================
 !!                ***  Top/Bottom boundary condition  ***             !!