Polish

Do not print default namelist, since we no longer enter the namelist
on standard input.

Inst_eddies/config.f90

@@ -19,8 +19,6 @@ contains
 
   subroutine config(exist)
 
-    use, intrinsic:: ISO_FORTRAN_ENV
-
     ! Libraries:
     use jumble, only: new_unit
 
@@ -39,8 +37,6 @@ contains
        read(unit, nml = main_nml)
        close(unit)
     else
-       write(unit = error_unit, nml = main_nml)
-       write(unit = error_unit, fmt = *) "config: Enter namelist main_nml."
        open(unit, file = "main_nml.txt", status = "old", action = "read", &
             position = "rewind")
        read(unit, nml = main_nml)