Fix location of mapdirectory in default parameter file

src/parameters.toml

@@ -23,7 +23,7 @@ enddate = 2023-12-31 # last day of the simulation
 #enddate = 2022-01-02 # last day of the simulation (test value)
 
 [world]
-mapdirectory = "data/regions/jena-small" # the directory in which all geographic data are stored
+mapdirectory = "data/regions/jena" # the directory in which all geographic data are stored
 mapresolution = 10 # map resolution in meters
 landcovermap = "landcover.tif" # name of the landcover map in the map directory
 farmfieldsmap = "fields.tif" # name of the field geometry map in the map directory