[test][3p] Replace unnecessary dgf by input file

test/porousmediumflow/3p/implicit/grids/infiltration3p.dgf

-DGF
-Interval
-0 0   % first corner 
-500 10   % second corner
-50 10   % cells in x and y direction
-#
-
-GridParameter
-overlap 0 
-periodic 
-closure green
-#GridParameter
-
-BOUNDARYDOMAIN
-default 1    % all boundaries have id 1
-#BOUNDARYDOMAIN
-# unitcube.dgf

test/porousmediumflow/3p/implicit/grids/test_3pniconduction.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/3p/implicit/grids/test_3pniconvection.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/3p/implicit/test_box3p.input

@@ -3,7 +3,8 @@ DtInitial = 60 # [s]
 TEnd = 3600 # [s]
 
 [Grid]
-File = ./grids/infiltration3p.dgf
+UpperRight = 500 10
+Cells = 50 10
 
 [Problem]
 Name = infiltration3pbox

test/porousmediumflow/3p/implicit/test_box3pniconduction.input

@@ -4,7 +4,8 @@ TEnd = 1e5 # [s]
 MaxTimeStepSize = 1e10
 
 [Grid]
-File = ./grids/test_3pniconduction.dgf
+UpperRight = 5 1
+Cells = 200 1
 
 [Problem]
 Name = test_box3pniconduction # name passed to the output routines

test/porousmediumflow/3p/implicit/test_box3pniconvection.input

@@ -4,7 +4,8 @@ TEnd = 3e4 # [s]
 MaxTimeStepSize = 1e3
 
 [Grid]
-File = ./grids/test_3pniconvection.dgf
+UpperRight = 20 1
+Cells = 80 1
 
 [Problem]
 Name = test_box3pniconvection # name passed to the output routines

test/porousmediumflow/3p/implicit/test_cc3p.input

@@ -3,7 +3,8 @@ DtInitial = 60 # [s]
 TEnd = 3600 # [s]
 
 [Grid]
-File = ./grids/infiltration3p.dgf
+UpperRight = 500 10
+Cells = 50 10
 
 [Problem]
 Name = infiltration3pcc

test/porousmediumflow/3p/implicit/test_cc3pniconduction.input

@@ -4,7 +4,8 @@ TEnd = 1e5 # [s]
 MaxTimeStepSize = 1e10
 
 [Grid]
-File = ./grids/test_3pniconduction.dgf
+UpperRight = 5 1
+Cells = 200 1
 
 [Problem]
 Name = test_cc3pniconduction # name passed to the output routines

test/porousmediumflow/3p/implicit/test_cc3pniconvection.input

@@ -4,7 +4,8 @@ TEnd = 3e4 # [s]
 MaxTimeStepSize = 1e3
 
 [Grid]
-File = ./grids/test_3pniconvection.dgf
+UpperRight = 20 1
+Cells = 80 1
 
 [Problem]
 Name = test_cc3pniconvection # name passed to the output routines