[richards] Remove unnecessary dgf files > grid in input file

test/porousmediumflow/richards/implicit/grids/richardsanalytical-1x64.dgf

-DGF
-Interval
-0 0   % first corner 
-6 4   % second corner
-1 512  % cells in x and in y direction
-#

test/porousmediumflow/richards/implicit/grids/richardslens-24x16.dgf

-DGF
-Interval
-0 0   % first corner
-6 4   % second corner
-24 16 % cells in x and in y direction
-#
-
-BOUNDARYDOMAIN
-default 1    % all boundaries have id 1
-#BOUNDARYDOMAIN
-# unitcube.dgf

test/porousmediumflow/richards/implicit/grids/richardslens-48x32.dgf

-DGF
-Interval
-0 0   % first corner
-6 4   % second corner
-48 32 % cells in x and in y direction
-#
-
-BOUNDARYDOMAIN
-default 1    % all boundaries have id 1
-#BOUNDARYDOMAIN
-# unitcube.dgf

test/porousmediumflow/richards/implicit/grids/richardslens-96x64.dgf

-DGF
-Interval
-0 0   % first corner
-6 4   % second corner
-96 64   % cells in x and in y direction
-#
-
-BOUNDARYDOMAIN
-default 1    % all boundaries have id 1
-#BOUNDARYDOMAIN
-# unitcube.dgf

test/porousmediumflow/richards/implicit/grids/test_richardsniconduction.dgf

-DGF
-Interval
-0 0   % first corner
-5 1   % second corner
-200 1  % number of cells in x and y direction
-#
-
-BOUNDARYDOMAIN
-default 1    % all boundaries have id 1
-#BOUNDARYDOMAIN
-# unitcube.dgf

test/porousmediumflow/richards/implicit/grids/test_richardsniconvection.dgf

-DGF
-Interval
-0 0   % first corner
-20 1   % second corner
-80 1  % number of cells in x and y direction
-#
-
-BOUNDARYDOMAIN
-default 1    % all boundaries have id 1
-#BOUNDARYDOMAIN
-# unitcube.dgf

test/porousmediumflow/richards/implicit/test_boxrichards.input

@@ -3,7 +3,8 @@ DtInitial = 100 # [s]
 TEnd = 3000 # [s]
 
 [Grid]
-File = ./grids/richardslens-24x16.dgf
+UpperRight = 6 4
+Cells = 24 16
 
 [Problem]
 Name = richardslensbox

test/porousmediumflow/richards/implicit/test_boxrichardsniconduction.input

@@ -4,7 +4,8 @@ TEnd = 1e5 # [s]
 MaxTimeStepSize = 1e10 # [s]
 
 [Grid]
-File = ./grids/test_richardsniconduction.dgf
+UpperRight = 5 1
+Cells = 200 1
 
 [Problem]
 Name = test_boxrichardsniconduction # name passed to the output routines

test/porousmediumflow/richards/implicit/test_boxrichardsniconvection.input

@@ -4,7 +4,8 @@ TEnd = 3e4 # [s]
 MaxTimeStepSize = 1e3 # [s]
 
 [Grid]
-File = ./grids/test_richardsniconvection.dgf
+UpperRight = 20 1
+Cells = 80 1
 
 [Problem]
 Name = test_boxrichardsniconvection # name passed to the output routines

test/porousmediumflow/richards/implicit/test_ccrichards.input

@@ -3,7 +3,8 @@ DtInitial = 100 # [s]
 TEnd = 3000 # [s]
 
 [Grid]
-File = ./grids/richardslens-24x16.dgf
+UpperRight = 6 4
+Cells = 24 16
 
 [Problem]
 Name = richardslenscc

test/porousmediumflow/richards/implicit/test_ccrichardsanalytical.input

@@ -4,7 +4,8 @@ TEnd = 100 # [s]
 MaxTimeStepSize = 1e-1 # [s]
 
 [Grid]
-File = ./grids/richardsanalytical-1x64.dgf
+UpperRight = 6 4
+Cells = 1 512
 
 [Problem]
 Name = richardsanalyticalcc

test/porousmediumflow/richards/implicit/test_ccrichardsniconduction.input

@@ -4,7 +4,8 @@ TEnd = 1e5 # [s]
 MaxTimeStepSize = 1e10 # [s]
 
 [Grid]
-File = ./grids/test_richardsniconduction.dgf
+UpperRight = 5 1
+Cells = 200 1
 
 [Problem]
 Name = test_ccrichardsniconduction # name passed to the output routines

test/porousmediumflow/richards/implicit/test_ccrichardsniconvection.input

@@ -4,7 +4,8 @@ TEnd = 3e4 # [s]
 MaxTimeStepSize = 1e3 # [s]
 
 [Grid]
-File = ./grids/test_richardsniconvection.dgf
+UpperRight = 20 1
+Cells = 80 1
 
 [Problem]
 Name = test_ccrichardsniconvection # name passed to the output routines