temporal revert https://trac.osgeo.org/grass/changeset/66278 for t.register register.py

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@66306 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/temporal/register.py

@@ -91,8 +91,6 @@ def register_maps_in_space_time_dataset(
 
     # The name of the space time dataset is optional
     if name:
-        if name.find("@") <= 0:
-            name = name + "@" + mapset
         sp = open_old_stds(name, type, dbif)
 
         if sp.is_time_relative() and (start or end) and not unit: