Fixed wrong tgis_db_version commit

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@58655 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/temporal/core.py

@@ -108,7 +108,7 @@ tgis_version=2
 # this value must be an integer larger than 0
 # Increase this value in case of backward incompatible changes
 # temporal database SQL layout
-tgis_db_version=3
+tgis_db_version=2
 
 # We need to know the parameter style of the database backend
 tgis_dbmi_paramstyle = None