[repository] Drop the index on entities.type
It should be now only used in maintenance queries in checkintegrity. Those are
not worth maintaining it.
Closes #15538317
import ConfigParser
try:
undo_actions = config.cfgfile_parser.get('MAIN', 'undo-support', False)
except ConfigParser.NoOptionError:
pass # this conf. file was probably already migrated
else:
config.global_set_option('undo-enabled', bool(undo_actions))